Tag: exploit
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Content Delivery Exploit Opens Websites to Brand Hijacking
The Underminr domain-fronting attack allows threat actors to modify Web requests and leverage trusted websites to cloak malicious activity. First seen on darkreading.com Jump to article: www.darkreading.com/cyber-risk/content-delivery-exploit-websites-brand-hijacking
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Microsoft Warns of Two Actively Exploited Defender Vulnerabilities
Microsoft has disclosed that a privilege escalation and a denial-of-service flaw in Defender has come under active exploitation in the wild.The former, tracked as CVE-2026-41091, is rated 7.8 on the CVSS scoring system. Successful exploitation of the flaw could allow an attacker to gain SYSTEM privileges.”Improper link resolution before file access (‘link following’) in Microsoft…
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Microsoft Defender Zero-Day Vulnerabilities Actively Exploited in the Wild
Microsoft has disclosed two new zero-day vulnerabilities in Microsoft Defender that are actively being exploited in the wild, raising concerns among security professionals and enterprise users. The vulnerabilities, tracked as CVE-2026-41091 and CVE-2026-45498, were officially released on May 19, 2026, and both have confirmed exploitation activity according to Microsoft’s security advisory. The most critical of…
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Microsoft Defender vulnerabilities exploited in the wild (CVE-2026-41091, CVE-2026-45498)
Attackers are exploiting two Microsoft Defender vulnerabilities (CVE-2026-41091 and CVE-2026-45498), Microsoft acknowledged and CISA confirmed by adding them to its Known … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/05/21/microsoft-defender-vulnerabilities-cve-2026-41091-cve-2026-45498/
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Industry Reacts to Verizon DBIR 2026 as Vulnerability Exploitation Takes Top Spot
Tags: access, ai, attack, breach, credentials, data, data-breach, exploit, risk, threat, vulnerabilityThe 2026 Verizon Data Breach Investigations Report (DBIR) has sparked widespread industry reaction, with security leaders warning that AI-enabled attacks, vulnerability exploitation, and third-party risk are reshaping the threat landscape faster than many organisations can respond. For the first time in the report’s history, vulnerability exploitation overtook stolen credentials as the leading initial access vector,…
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Microsoft warnt: Hacker attackieren Windows-Nutzer über Lücken im Defender
Angreifer können über den Microsoft Defender unter anderem Schadcode einschleusen und sich Systemrechte verschaffen. Erste Attacken laufen bereits. First seen on golem.de Jump to article: www.golem.de/news/microsoft-warnt-hacker-attackieren-windows-nutzer-ueber-luecken-im-defender-2605-208918.html
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Manueller Eingriff nötig: Microsoft reagiert auf Yellowkey-Exploit für Bitlocker
Seit Tagen kursiert im Netz ein Zero-Day-Exploit zur Umgehung der Bitlocker-Verschlüsselung. Admins müssen sich vorerst selbst um den Schutz kümmern. First seen on golem.de Jump to article: www.golem.de/news/manueller-eingriff-noetig-microsoft-reagiert-auf-yellowkey-exploit-fuer-bitlocker-2605-208913.html
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Microsoft warns of new Defender zero-days exploited in attacks
On Wednesday, Microsoft started rolling out security patches for two Defender vulnerabilities that have been exploited in zero-day attacks. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/microsoft-warns-of-new-defender-zero-days-exploited-in-attacks/
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Chromium-Exploit geleakt: Google-Panne gefährdet Millionen von Browser-Nutzern
Eine gefährliche und schon Ende 2022 gemeldete Chromium-Lücke ist noch immer ungepatcht. Jetzt kursiert ein Exploit im Netz – wegen einer Panne bei Google. First seen on golem.de Jump to article: www.golem.de/news/millionen-nutzer-gefaehrdet-google-leakt-exploit-fuer-ungepatchte-chromium-luecke-2605-208904.html
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Verizon Data Breach Investigations Report 2026 – Exploits lösen Zugangsdaten als Einfallstor ab
First seen on security-insider.de Jump to article: www.security-insider.de/verizon-dbir-2026-exploits-haeufigster-breach-einstieg-a-86fe2cc5cff58b28ab6ef23126ef6aa9/
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PoC Released for PinTheft Linux Flaw Enabling Root Privilege Escalation
A public proof-of-concept (PoC) exploit called “PinTheft” has been released for a newly disclosed Linux kernel flaw that allows local attackers to escalate privileges to root on certain systems. PinTheft is a Linux local privilege escalation (LPE) exploit that targets a reference-counting bug in the Reliable Datagram Sockets (RDS) zerocopy send path and turns it…
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WantToCry Ransomware Exploits SMB to Encrypt Remote Files
A new ransomware campaign named “WantToCry” that leverages exposed Server Message Block (SMB) services to gain access and encrypt victim data without deploying traditional malware on compromised systems. This approach significantly reduces the detection surface, making it harder for conventional security tools to identify the attack. The name “WantToCry” appears to reference the infamous WannaCry…
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Highly Critical Drupal Core Flaw Exposes PostgreSQL Sites to RCE Attacks
Drupal has released security updates for a “highly critical” security vulnerability in Drupal Core that could be exploited by attackers to achieve remote code execution, privilege escalation, or information disclosure.The vulnerability, now tracked as CVE-2026-9082, carries a CVSS score of 6.5 out of 10.0, per CVE.org. Drupal said the vulnerability resides in a database abstraction…
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PinTheft: Another Linux Privilege Escalation, Another Working Exploit, This Time Targeting Arch
PinTheft is a Linux LPE flaw in the RDS subsystem with public exploit code. Arch Linux users face the highest risk and should patch immediately. The wave of Linux local privilege escalation vulnerabilities showing up with working exploit code is not slowing down. The latest is PinTheft, discovered by the V12 security team, which affects…
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Google publishes exploit code threatening millions of Chromium users
Google publishes exploit code before patch, reported 29 months earlier, is fixed. First seen on arstechnica.com Jump to article: arstechnica.com/security/2026/05/google-publishes-exploit-code-threatening-millions-of-chromium-users/
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Patch Now: Critical Flaw in OT Robot OS Gives Attackers Control
An unauthenticated attacker can exploit the command injection vulnerability to gain remote access to robotic systems, causing significant disruption to the environment. First seen on darkreading.com Jump to article: www.darkreading.com/ics-ot-security/patch-now-critical-flaw-ot-robot-os
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Verizon DBIR: Vulnerability exploitation is the dominant initial access vector
Vulnerability exploitation has overtaken stolen credentials as the most common way attackers gain initial access to target networks, according to the 2026 Verizon Data Breach … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/05/20/verizon-2026-dbir-findings/
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Critical flaw in software powering a third of the internet is already being exploited free checker now available
A critical security vulnerability in NGINX, the web server software underpinning more than 30% of all websites globally, has been confirmed as actively exploited in the wild, less than a week after its public disclosure. The flaw, tracked as CVE-2026-42945 and dubbed ‘NGINX Rift’, carries a severity score of 9.8 out of 10. It affects…
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Drupal critical update to fix bug with high exploitation risk
Drupal has announced a “core security release” scheduled for later today, warning that threat actors might develop exploits within hours of the update disclosure. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/drupal-critical-update-to-fix-bug-with-high-exploitation-risk/
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Verizon DBIR: AI Helped Hackers Exploit Vulnerabilities in 31% of Recent Breaches
Verizon DBIR 2026 reveals software vulnerabilities overtook stolen passwords in cyberattacks, with AI helping hackers exploit flaws within hours. First seen on hackread.com Jump to article: hackread.com/verizon-dbir-ai-hackers-exploit-vulnerabilities-breaches/
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Exploit released for new PinTheft Arch Linux root escalation flaw
PinTheft, a recently patched Linux privilege escalation vulnerability, now has a publicly available proof-of-concept (PoC) exploit that allows local attackers to gain root privileges on Arch Linux systems. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/linux/exploit-released-for-new-pintheft-arch-linux-root-escalation-flaw/
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Microsoft Releases Mitigation for YellowKey BitLocker Bypass CVE-2026-45585 Exploit
Microsoft on Tuesday released a mitigation for a BitLocker bypass vulnerability named YellowKey following its public disclosure last week.The zero-day flaw, now tracked as CVE-2026-45585, carries a CVSS score of 6.8. It has been described as a BitLocker security feature bypass.”Microsoft is aware of a security feature bypass vulnerability in Windows publicly referred to as…
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Verizon DBIR: Vulnerability Exploits Overtake Credentials as Top Access Vector
Verizon DBIR finds 31% of data breaches began with software flaws last year First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/verizon-dbir-exploits-top-access/
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PoC Exploit Released for DirtyDecrypt Linux Kernel Vulnerability
PoC exploit code for the DirtyDecrypt (DirtyCBC) Linux kernel vulnerability has been released publicly, turning a previously theoretical local privilege escalation into a practical, copy”‘paste exploit path to root on specific Linux distributions. DirtyDecrypt (also called DirtyCBC) is a local privilege escalation (LPE) in the Linux kernel’s RxGK security layer for the RxRPC transport used by…
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Hackers Exploit MSHTA to Deploy LummaStealer and Amatera Malware
Hackers are increasingly abusing the legacy Microsoft HTML Application Host (MSHTA) utility to deliver commodity malware such as LummaStealer and Amatera. Despite being tied to Internet Explorer, which was retired in 2022, MSHTA remains default in Windows, making it an attractive Living-off-the-Land binary (LOLBIN) for stealthy attacks. MSHTA allows execution of VBScript and JavaScript from…
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Hackers Exploit MSHTA to Deploy LummaStealer and Amatera Malware
Hackers are increasingly abusing the legacy Microsoft HTML Application Host (MSHTA) utility to deliver commodity malware such as LummaStealer and Amatera. Despite being tied to Internet Explorer, which was retired in 2022, MSHTA remains default in Windows, making it an attractive Living-off-the-Land binary (LOLBIN) for stealthy attacks. MSHTA allows execution of VBScript and JavaScript from…
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Vulnerability exploitation now primary origin of data breaches
Verizon’s annual cyber report reveals a major change in how data breaches originate, highlighting the impact of artificial intelligence. First seen on computerweekly.com Jump to article: www.computerweekly.com/news/366643315/Vulnerability-exploitation-now-primary-origin-of-data-breaches