Tag: microsoft
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Microsoft May 2026 Patch Tuesday: Many fixes, but no zero-days
Microsoft has marked May 2026 Patch Tuesday by releasing fixes for 120+ CVE-numbered vulnerabilities, none of which (for a change) are actively exploited or have been publicly … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/05/12/microsoft-may-2026-patch-tuesday/
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Microsoft releases Windows 10 KB5087544 extended security update
Microsoft has released the Windows 10 KB5087544 extended security update to fix the May 2026 Patch Tuesday vulnerabilities and resolve an issue with the new Remote Desktop warnings. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-releases-windows-10-kb5087544-extended-security-update/
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Windows 11 KB5089549 & KB5087420 cumulative updates released
Microsoft has released Windows 11 KB5089549 and KB5087420 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities, bugs, and add new features. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/windows-11-kb5089549-and-kb5087420-cumulative-updates-released/
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Microsoft May 2026 Patch Tuesday fixes 120 flaws, no zero-days
Today is Microsoft’s May 2026 Patch Tuesday, with security updates for 120 flaws and no zero-days disclosed this month. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-may-2026-patch-tuesday-fixes-120-flaws-no-zero-days/
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Hackers Hijack Microsoft Teams Accounts to Spread ModeloRAT Malware
Hackers are now abusing hijacked Microsoft Teams accounts and fake IT helpdesk chats to push a new, undocumented version of the Python”‘based ModeloRAT into corporate environments. Instead, they use compromised or newly created Microsoft Teams accounts that impersonate internal IT support and message employees directly, claiming to fix an urgent problem with their device or…
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Frustrierende Updates: Wie Microsoft Windows-11-Updates weniger nervig machen will
Wenige Dinge sind frustrierender, als sich an den PC zu setzen und festzustellen, dass er ein Update benötigt, schreibt Microsoft. First seen on golem.de Jump to article: www.golem.de/news/frustrierende-updates-wie-microsoft-windows-11-updates-weniger-nervig-machen-will-2605-208563.html
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Microsoft Warns: MistralAI PyPI Package Compromised with Malware
Mistral’s official Python client on PyPI has been pulled into the ongoing wave of AI supply”‘chain attacks, with Microsoft warning that version 2.4.6 of the mistralai package was backdoored to silently deploy a credential”‘stealing payload on Linux systems. The logic is designed to execute automatically whenever the package is imported, meaning developers simply using the library in…
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BitUnlocker Downgrade Attack Bypasses Windows 11 Disk Encryption in Minutes
A proof-of-concept (PoC) exploit that demonstrates how attackers can bypass Windows 11 BitLocker disk encryption in under 5 minutes. Dubbed the >>BitUnlocker<< attack, this physical downgrade technique exploits a known vulnerability, CVE-2025-48804. Initially documented by the Microsoft STORM team in July 2025, the flaw exposes a critical weakness in how Secure Boot interacts with legacy…
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AI Researchers Target SIEM Migration Bottleneck
System Translates Detection Rules Across Security Platforms. Researchers developed an AI framework that converts threat detection rules between major SIEM platforms including Splunk, Microsoft Sentinel and QRadar. The system uses LLMs and automated validation steps to preserve detection logic during migrations that often require months of manual work. First seen on govinfosecurity.com Jump to article:…
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Hackers Exploit Vercel GenAI to Mass-Produce Convincing Phishing Sites
Hackers are abusing Vercel GenAI to create convincing phishing sites that mimic major brands, including Microsoft, Adidas, and Nike, making scams harder to detect. First seen on hackread.com Jump to article: hackread.com/hackers-exploit-vercel-genai-phishing-sites/
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Microsoft 365 Copilot Flaws Could Let Attackers Access Sensitive Data
Microsoft has disclosed a trio of critical information disclosure vulnerabilities affecting Microsoft 365 Copilot and Copilot Chat in Microsoft Edge. Released on May 7, 2026, these security flaws pose a substantial risk to enterprise data privacy and corporate confidentiality. If successfully exploited, malicious actors could bypass established security boundaries to access sensitive information processed, summarized,…
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Resilienz im Fokus – CloudM bringt Hot-Standby-Lösung für Microsoft-365-Ausfälle auf den Markt
First seen on security-insider.de Jump to article: www.security-insider.de/cloudm-bringt-hot-standby-loesung-fuer-microsoft-365-ausfaelle-auf-den-markt-a-54000adbd1e330541c5eebfc144dcc95/
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New ‘Dirty Frag’ exploit targets Linux kernel for root access
Tags: access, attack, control, cve, exploit, linux, malicious, microsoft, mitigation, monitoring, switch, tool, vulnerabilityAttackers are already exploiting Dirty Frag: Microsoft warned that Dirty Frag is already being actively exploited in the wild, primarily as a post-compromise privilege escalation tool. The company said attackers are using the vulnerability after obtaining an initial foothold on vulnerable Linux systems, allowing them to elevate privileges from a low-level user account to full…
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Breach Roundup: Microsoft Edge Turns Passwords Into Targets
Tags: attack, breach, data, data-breach, ddos, government, ivanti, microsoft, north-korea, password, scamAlso, Taiwan Rail Hack, Massive DDoS Attack and Karakurt Jail Sentence. This week, Microsoft Edge exposed passwords, Taiwan police make arrests in high-speed rail hack and a 2.45 billion-request DDoS attack. A Karakurt negotiator jailed, North Korean IT worker scams led to prison terms and France detained a teen over a government data breach. Another…
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Omada Identity stellt mit <> eigene Private-Cloud vor
Omada Identity stellt ‘Omada Identity Cloud Private” für regulierte Unternehmen und Behörden vor. Die neue Bereitstellungsoption bietet regulierten Unternehmen und Regierungsorganisationen die gesamte Omada-Identity-Cloud-Plattform innerhalb ihres eigenen Microsoft-Azure-Tenants. Sie beseitigt damit den Kompromiss zwischen Cloud-nativer IGA und der Tenant-Eigentümerschaft, die ihre Prüfer, Aufsichtsbehörden und Risiko-Analysten erwarten. Kunden haben nun drei Möglichkeiten, Omada-Identity-Cloud zu nutzen: Multi-Tenant-SaaS,…
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Researcher Shows Edge Browser Stores Saved Passwords in Plaintext
Cybersecurity expert Tom Rønning finds Microsoft Edge loads all saved passwords into computer memory as cleartext, making them easy for hackers to steal. First seen on hackread.com Jump to article: hackread.com/edge-browser-stores-saved-plaintext-passwords/
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CloudZ RAT Abuses Windows Phone Link to Steal OTPs
Cisco Talos discovered the CloudZ RAT exploiting Microsoft Phone Link to intercept SMS-based OTPs from Windows endpoints. First seen on esecurityplanet.com Jump to article: www.esecurityplanet.com/threats/cloudz-rat-abuses-windows-phone-link-to-steal-otps/
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Microsoft-Edge speichert Passwörter im RAM als Klartext
Windows 10 und 11 nutzen eine Speicherisolation, damit Prozesse in voneinander getrennten virtuellen Adressräumen ausgeführt werden. Unter bestimmten Bedingungen kann jedoch ein gewöhnlicher Anwendungsprozess weiterhin auf den Speicher eines anderen Prozesses im Benutzermodus zugreifen. Das wirft die Befürchtung auf, dass Malware, die mit normalen Benutzerrechten ausgeführt wird, sensible Informationen wie Passwörter und Authentifizierungs-Tokens direkt aus…
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Omada löst ein Cloud-Dilemma: Identity Security für regulierte Unternehmen ohne Kontrollverlust
Mit Omada Identity Cloud Private wird die vollständige Omada Identity Cloud-Plattform innerhalb des kundeneigenen Microsoft Azure-Tenants bereitgestellt. First seen on infopoint-security.de Jump to article: www.infopoint-security.de/omada-loest-ein-cloud-dilemma-identity-security-fuer-regulierte-unternehmen-ohne-kontrollverlust/a45033/
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Cybercriminals Exploit Microsoft Teams to Phish Login Credentials and Bypass MFA
Tags: authentication, credentials, cyber, cybercrime, espionage, exploit, iran, login, mfa, microsoft, phishing, ransomware, threatIranian state-sponsored threat actors linked to MuddyWater (Seedworm) have been caught hiding behind the Chaos ransomware brand to conduct sophisticated espionage operations, using Microsoft Teams as a phishing vector to steal credentials and manipulate multi-factor authentication (MFA). Rapid7 researchers uncovered the intrusion in early 2026, revealing a calculated false flag operation designed to mimic financially…
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US government agency to safety test frontier AI models before release
Executive order ‘taking shape’: Following the announcement from CAISI, a published report on Wednesday indicated that the White House is on the verge of preparing an executive order that would see the creation of a vetting system for all new artificial intelligence models, key among them Anthropic’s Mythos.Bloomberg reported, “the directive is taking shape weeks…
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Microsoft’s response to Shadow Agent concerns: New capabilities in Microsoft Agent 365; new Microsoft Defender and GitHub integration
First seen on thesecurityblogger.com Jump to article: www.thesecurityblogger.com/microsofts-response-to-shadow-agent-concerns-new-capabilities-in-microsoft-agent-365-new-microsoft-defender-and-github-integration/
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Teams calls are about to get a lot harder to fake
Microsoft Teams Calling is getting a new feature that will warn users about suspicious inbound VoIP calls from first-time external callers who might be impersonating trusted brands. First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/05/07/microsoft-teams-calling-brand-impersonation-protection/
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CloudZ Malware Abuses Phone Link to Steal SMS OTPs
Cisco Talos uncovers CloudZ RAT and Pheno plugin abusing Microsoft Phone Link to intercept SMS OTPs First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/cloudz-rat-pheno-phone-link-otp/
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Microsoft Teams on Android Now Lets Users Join External Meetings Through SIP
Microsoft is set to bridge the gap in enterprise unified communications with a highly anticipated update to its conference room hardware. Starting in June 2026, Microsoft Teams Rooms on Android will officially support joining third-party external meetings through Session Initiation Protocol (SIP). This strategic development aims to deliver seamless cross-platform interoperability for organizations relying on…
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CloudZ RAT Exploits Microsoft Phone Link to Steal SMS OTPs
CloudZ is a new modular remote access trojan that abuses Microsoft’s built”‘in Phone Link feature to steal SMS one”‘time passwords (OTPs) and other mobile notifications directly from Windows PCs, without infecting the phone itself. Microsoft Phone Link (formerly “Your Phone”) is integrated into Windows 10 and 11 to mirror smartphone SMS messages, application notifications, call…
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Attackers Bypass Azure AD Conditional Access Using Phantom Device Registration
A recent authorized red team operation by Howler Cell has demonstrated a critical attack path that completely bypasses Microsoft Entra ID (Azure AD) Conditional Access. Azure Conditional Access acts as the primary gatekeeper for cloud identity security, enforcing access rules based on user location, device compliance, and calculated risk scores. However, by starting with a…
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BlueVoyant Prepares SaaS Push Under New CEO John Hernandez
BlueVoyant Seeks to Expand Beyond MDR Clients Into Firms With Mature In-House SOCs. BlueVoyant named John Hernandez – the former leader of Quest’s Microsoft security business – as its next CEO to drive an agentic AI SaaS platform that expands the vendor beyond managed services and helps customers accelerate detection, response and supply-chain risk management.…
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Microsoft Edge Stores Passwords in Process Memory, Posing Enterprise Risk
A proof-of-concept exploit (PoC) shows how someone with admin privileges can exploit the issue to steal passwords, and thus use them to engage in further malicious activity. First seen on darkreading.com Jump to article: www.darkreading.com/cyber-risk/microsoft-edge-passwords-enterprise-risk