Tag: cve
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Critical Linux Kernel Vulnerability Allows Attackers Gain Full Kernel-Level Control From Chrome Sandbox
August 9, 2025: A severe security vulnerability in the Linux kernel, dubbed CVE-2025-38236, has been uncovered by Google Project Zero researcher Jann Horn, exposing a pathway for attackers ranging from native code execution within the Chrome renderer sandbox to full kernel-level control on Linux systems. The flaw, tied to the obscure MSG_OOB feature in UNIX…
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Over 28,000 Microsoft Exchange Servers Exposed Online to CVE-2025-53786 Vulnerability
Tags: access, cve, cvss, cyber, cybersecurity, data, data-breach, flaw, Internet, microsoft, threat, vulnerabilityThe cybersecurity community faces a significant threat as scanning data reveals over 28,000 unpatched Microsoft Exchange servers remain exposed on the public internet, vulnerable to a critical security flaw designated CVE-2025-53786. This high-severity vulnerability, which carries a CVSS score of 8.0 out of 10, enables attackers with administrative access to on-premises Exchange servers to escalate…
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Über 28.000 ungepatchte hybride Exchange-Instanzen (CVE-2025-53786) online
Microsoft Exchange Server Hybrid-Konfigurationen sind durch die Elevation of Privilege-Schwachstelle Schwachstelle CVE-2025-53786 gefährdet. Über 28.000 Instanzen sind noch ungepatcht. Die US-CISA gibt den Behörden bis Montag, den 11. August 2025 Zeit zum Patchen. Was ist mit Deutschland? 28.000 hybride Exchange-Instanzen … First seen on borncity.com Jump to article: www.borncity.com/blog/2025/08/09/ueber-28-000-ungepatchte-hybride-exchange-instanzen-cve-2025-53786-online/
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Phishing attacks exploit WinRAR flaw CVE-2025-8088 to install RomCom
WinRAR flaw CVE-2025-8088, fixed in v7.13, was exploited as a zero-day in phishing attacks to install RomCom malware. The WinRAR flaw CVE-2025-8088, a directory traversal bug fixed in version 7.13, was exploited as a zero-day in phishing attacks to deliver RomCom malware, Bleeping Computer first reported. The flaw is a path traversal vulnerability affecting the…
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WinRARDay für Phishing-Angriffe ausgenutzt
WinRAR-Zero-Day-Lücke CVE-2025-8088: RomCom nutzt eine Schwachstelle für das Phishing jetzt schnell auf Version 7.13 aktualisieren! First seen on tarnkappe.info Jump to article: tarnkappe.info/artikel/it-sicherheit/winrar-zero-day-fuer-phishing-angriffe-ausgenutzt-319329.html
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ECScape: New AWS ECS flaw lets containers hijack IAM roles without breaking out
Fargate is comparatively safe: Amazon’s design makes the EC2 host, not the container, the security boundary. When multiple tasks with varying IAM roles share the same EC2, the risk of lateral escalation via ECScape increases. AWS did not immediately respond to CSO’s request for comment.Sweet Security has recommended mitigations that include disabling or restricting IMDS…
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ECScape: New AWS ECS flaw lets containers hijack IAM roles without breaking out
Fargate is comparatively safe: Amazon’s design makes the EC2 host, not the container, the security boundary. When multiple tasks with varying IAM roles share the same EC2, the risk of lateral escalation via ECScape increases. AWS did not immediately respond to CSO’s request for comment.Sweet Security has recommended mitigations that include disabling or restricting IMDS…
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CISA pledges to continue backing CVE Program after April funding fiasco
Federal officials told an audience at the Black Hat conference that the Trump administration fully supports and wants to improve the CVE Program, which is heavily used to track and share cybersecurity vulnerabilities. First seen on therecord.media Jump to article: therecord.media/cisa-pledges-support-cve-program-black-hat
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August 2025 Patch Tuesday forecast: Try, try again
July turned into a surprisingly busy month. It started slowly with a fairly ‘calm’ Patch Tuesday as I forecasted in my last blog. Although there were 130 new CVEs addressed … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2025/08/08/august-2025-patch-tuesday-forecast/
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CVE-2025-53786: Frequently Asked Questions About Microsoft Exchange Server Hybrid Deployment Elevation of Privilege Vulnerability
Tags: access, advisory, attack, authentication, cisa, cloud, cve, cybersecurity, exploit, flaw, identity, infrastructure, microsoft, mitigation, service, vulnerability, zero-dayFrequently asked questions about CVE-2025-53786, an elevation of privilege vulnerability affecting Microsoft Exchange Server Hybrid Deployments. Background Tenable’s Research Special Operations (RSO) team has compiled this blog to answer Frequently Asked Questions (FAQ) regarding an elevation of privilege vulnerability affecting Microsoft Exchange Server Hybrid Deployments. FAQ What is CVE-2025-53786 CVE-2025-53786 is an elevation of privilege…
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August 2025 Patch Tuesday forecast: Try, try, again
July turned into a surprisingly busy month. It started slowly with a fairly ‘calm’ Patch Tuesday as I forecasted in my last blog. Although there were 130 new CVEs addressed … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2025/08/08/august-2025-patch-tuesday-forecast/
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CISA Issues Urgent Advisory to Address Microsoft Exchange Flaw
Tags: advisory, authentication, cisa, cloud, cve, cyber, cybersecurity, flaw, infrastructure, microsoft, vulnerabilityThe Cybersecurity and Infrastructure Security Agency (CISA) has issued Emergency Directive 25-02 on August 7, 2025, requiring federal agencies to immediately address a critical vulnerability in Microsoft Exchange hybrid configurations that could allow attackers to escalate from on-premises systems to cloud environments. Critical Security Vulnerability Discovered CISA has identified a post-authentication vulnerability designated CVE-2025-53786 affecting…
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CISA Issues Urgent Advisory to Address Microsoft Exchange Flaw
Tags: advisory, authentication, cisa, cloud, cve, cyber, cybersecurity, flaw, infrastructure, microsoft, vulnerabilityThe Cybersecurity and Infrastructure Security Agency (CISA) has issued Emergency Directive 25-02 on August 7, 2025, requiring federal agencies to immediately address a critical vulnerability in Microsoft Exchange hybrid configurations that could allow attackers to escalate from on-premises systems to cloud environments. Critical Security Vulnerability Discovered CISA has identified a post-authentication vulnerability designated CVE-2025-53786 affecting…
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Microsoft Exchange Server Hybrid durch CVE-2025-53786 gefährdet
Noch ein Hinweis für Administratoren von Microsoft Exchange Server Hybrid-Konfigurationen. Microsoft weist darauf hin, dass diese Konstellationen durch eine Elevation of Privilege-Schwachstelle (CVE-2025-53786) gefährdet seien. Es gibt aber einen Hotfix, um diese Schwachstelle in diesen Hybrid-Konstellationen zu beseitigen und Hinweise, … First seen on borncity.com Jump to article: www.borncity.com/blog/2025/08/07/microsoft-exchange-server-hybrid-durch-cve-2025-53786-gefaehrdet/
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Microsoft Exchange Server Hybrid durch CVE-2025-53786 gefährdet
Noch ein Hinweis für Administratoren von Microsoft Exchange Server Hybrid-Konfigurationen. Microsoft weist darauf hin, dass diese Konstellationen durch eine Elevation of Privilege-Schwachstelle (CVE-2025-53786) gefährdet seien. Es gibt aber einen Hotfix, um diese Schwachstelle in diesen Hybrid-Konstellationen zu beseitigen und Hinweise, … First seen on borncity.com Jump to article: www.borncity.com/blog/2025/08/07/microsoft-exchange-server-hybrid-durch-cve-2025-53786-gefaehrdet/
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CISA orders fed agencies to patch new Exchange flaw by Monday
CISA has issued an emergency directive ordering all Federal Civilian Executive Branch (FCEB) agencies to mitigate a critical Microsoft Exchange hybrid vulnerability tracked as CVE-2025-53786 by Monday morning at 9:00 AM ET. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/cisa-orders-fed-agencies-to-patch-new-cve-2025-53786-exchange-flaw/
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Hybrid Exchange environment vulnerability needs fast action
if they haven’t already done so, install the Hot Fix released April 18, or any newer release, on their on-premises Exchange servers and follow the configuration instructions outlined in the document Deploy dedicated Exchange hybrid app. For additional details, they should refer to Exchange Server Security Changes for Hybrid Deployments;then reset the service principal’s keyCredentials. That reset should be…
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HashiCorp Vault 0-Day Flaws Enable Remote Code Execution Attacks
Tags: attack, authentication, cve, cyber, flaw, open-source, remote-code-execution, vulnerability, zero-dayResearchers at Cyata have disclosed nine previously unknown zero-day vulnerabilities in HashiCorp Vault, a widely adopted open-source secrets management platform, enabling attackers to bypass authentication, escalate privileges, and achieve remote code execution (RCE). These flaws, assigned CVEs through responsible disclosure and patched in collaboration with HashiCorp, stem from subtle logic errors in core components like…
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CISA, Microsoft warn of critical Exchange hybrid flaw CVE-2025-53786
CISA and Microsoft warn of CVE-2025-53786, a high-severity Exchange flaw allowing privilege escalation in hybrid cloud environments. CISA and Microsoft warn of a high-severity flaw, tracked as CVE-2025-53786, in Exchange hybrid deployments that allows attackers to escalate privileges in cloud setups. Microsoft address the vulnerability in Exchange Server 2016, 2019 and Subscription Edition RTM. The…
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CISA Warns of ‘ToolShell’ Exploitation Chain Targeting SharePoint Servers; IOCs and Detections Released
Tags: authentication, cisa, cve, cyber, cybersecurity, data, detection, exploit, flaw, infrastructure, injection, microsoft, network, remote-code-execution, vulnerabilityThe Cybersecurity and Infrastructure Security Agency (CISA) has issued a critical alert regarding an exploitation chain dubbed >>ToolShell
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The Critical Flaw in CVE Scoring
With informed decision-making, organizations can strengthen their overall resilience and maintain the agility needed to adapt to emerging threats, without sacrificing innovation or productivity. First seen on darkreading.com Jump to article: www.darkreading.com/vulnerabilities-threats/critical-flaw-cve-scoring
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HashiCorp Vault & CyberArk Conjur kompromittiert
Tags: access, api, attack, authentication, cloud, credentials, cve, iam, identity, infrastructure, mfa, open-source, password, remote-code-execution, risk, service, software, tool, usa, vulnerabilitySecrets Management und Remote Code Exceution gehen nicht gut zusammen.In Enterprise-Umgebungen übersteigt die Anzahl nicht-menschlicher Identitäten (wie sie beispielsweise von Anwendungen und Maschinen verwendet werden), die Anzahl menschlicher Identitäten schätzungsweise um das 150-Fache. Damit sind Credential- oder Secrets-Management-Systeme eine kritische Komponente der IT-Infrastruktur. Umso fataler sind die Erkenntnisse, die Sicherheitsexperten des Identity-Spezialisten Cyata bei der…
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HashiCorp Vault & CyberArk Conjur kompromittiert
Tags: access, api, attack, authentication, cloud, credentials, cve, iam, identity, infrastructure, mfa, open-source, password, remote-code-execution, risk, service, software, tool, usa, vulnerabilitySecrets Management und Remote Code Exceution gehen nicht gut zusammen.In Enterprise-Umgebungen übersteigt die Anzahl nicht-menschlicher Identitäten (wie sie beispielsweise von Anwendungen und Maschinen verwendet werden), die Anzahl menschlicher Identitäten schätzungsweise um das 150-Fache. Damit sind Credential- oder Secrets-Management-Systeme eine kritische Komponente der IT-Infrastruktur. Umso fataler sind die Erkenntnisse, die Sicherheitsexperten des Identity-Spezialisten Cyata bei der…
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HashiCorp Vault & CyberArk Conjur kompromittiert
Tags: access, api, attack, authentication, cloud, credentials, cve, iam, identity, infrastructure, mfa, open-source, password, remote-code-execution, risk, service, software, tool, usa, vulnerabilitySecrets Management und Remote Code Exceution gehen nicht gut zusammen.In Enterprise-Umgebungen übersteigt die Anzahl nicht-menschlicher Identitäten (wie sie beispielsweise von Anwendungen und Maschinen verwendet werden), die Anzahl menschlicher Identitäten schätzungsweise um das 150-Fache. Damit sind Credential- oder Secrets-Management-Systeme eine kritische Komponente der IT-Infrastruktur. Umso fataler sind die Erkenntnisse, die Sicherheitsexperten des Identity-Spezialisten Cyata bei der…
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Microsoft Discloses Exchange Server Flaw Enabling Silent Cloud Access in Hybrid Setups
Microsoft has released an advisory for a high-severity security flaw affecting on-premise versions of Exchange Server that could allow an attacker to gain elevated privileges under certain conditions.The vulnerability, tracked as CVE-2025-53786, carries a CVSS score of 8.0. Dirk-jan Mollema with Outsider Security has been acknowledged for reporting the bug.”In an Exchange hybrid deployment, an…
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Microsoft Discloses Exchange Server Flaw Enabling Silent Cloud Access in Hybrid Setups
Microsoft has released an advisory for a high-severity security flaw affecting on-premise versions of Exchange Server that could allow an attacker to gain elevated privileges under certain conditions.The vulnerability, tracked as CVE-2025-53786, carries a CVSS score of 8.0. Dirk-jan Mollema with Outsider Security has been acknowledged for reporting the bug.”In an Exchange hybrid deployment, an…
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Microsoft Discloses Exchange Server Flaw Enabling Silent Cloud Access in Hybrid Setups
Microsoft has released an advisory for a high-severity security flaw affecting on-premise versions of Exchange Server that could allow an attacker to gain elevated privileges under certain conditions.The vulnerability, tracked as CVE-2025-53786, carries a CVSS score of 8.0. Dirk-jan Mollema with Outsider Security has been acknowledged for reporting the bug.”In an Exchange hybrid deployment, an…
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SonicWall Confirms Patched Vulnerability Behind Recent VPN Attacks, Not a Zero-Day
SonicWall has revealed that the recent spike in activity targeting its Gen 7 and newer firewalls with SSL VPN enabled is related to an older, now-patched bug and password reuse.”We now have high confidence that the recent SSL VPN activity is not connected to a zero-day vulnerability,” the company said. “Instead, there is a significant…