Tag: microsoft
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Microsoft February 2026 Patch Tuesday fixes 6 zero-days, 58 flaws
Today is Microsoft’s February 2026 Patch Tuesday with security updates for 58 flaws, including 6 actively exploited and three publicly disclosed zero-day vulnerabilities. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-february-2026-patch-tuesday-fixes-6-zero-days-58-flaws/
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Windows 11 KB5077181 & KB5075941 cumulative updates released
Microsoft has released Windows 11 KB5077181 and KB5075941 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-kb5077181-and-kb5075941-cumulative-updates-released/
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Windows 11 KB5077181 & KB5075941 cumulative updates released
Microsoft has released Windows 11 KB5077181 and KB5075941 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-kb5077181-and-kb5075941-cumulative-updates-released/
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Windows 11 KB5077181 & KB5075941 cumulative updates released
Microsoft has released Windows 11 KB5077181 and KB5075941 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-kb5077181-and-kb5075941-cumulative-updates-released/
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Microsoft prepares to refresh Secure Boot’s digital certificate
Some customers, including in critical infrastructure sectors, will need to manually review their devices’ readiness for the update. First seen on cybersecuritydive.com Jump to article: www.cybersecuritydive.com/news/microsoft-secure-boot-certificate-update/811846/
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Microsoft rolls out new Secure Boot certificates before June expiration
Microsoft has begun rolling out updated Secure Boot certificates through monthly Windows updates to replace the original 2011 certificates that will expire in late June 2026. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-rolls-out-new-secure-boot-certificates-before-june-expiration/
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Microsoft tightens Windows security with app transparency and user consent
Microsoft is strengthening default protections in Windows through two security initiatives, Windows Baseline Security Mode and User Transparency and Consent. User Transparency … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/02/10/windows-security-app-transparency-user-consent/
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Microsoft 365 outage takes down admin center in North America
Microsoft is investigating an outage that blocks some administrators with business or enterprise subscriptions from accessing the Microsoft 365 admin center. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-365-outage-takes-down-admin-center-in-north-america/
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Microsoft announces new mobile-style Windows security controls
Microsoft wants to introduce smartphone-style app permission prompts in Windows 11 to request user consent before apps can access sensitive resources such as files, cameras, and microphones. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-announces-new-mobile-style-windows-security-controls/
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Single prompt breaks AI safety in 15 major language models
Fundamental changes to safety mechanisms: The research went beyond measuring attack success rates to examine how the technique alters models’ internal safety mechanisms. When Microsoft tested Gemma3-12B-It on 100 diverse prompts, asking the model to rate their harmfulness on a 0-9 scale, the unaligned version systematically assigned lower scores, with mean ratings dropping from 7.97…
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Threat Actors Weaponize Bing Ads for Azure Tech Support Scams
A sophisticated tech support scam campaign has emerged, exploiting malicious advertisements on Bing search results to redirect victims to fraudulent websites hosted on Microsoft’s Azure Blob Storage platform. The attack, first detected on February 2, 2026, affected users across 48 organizations in the United States within hours, demonstrating the effectiveness of weaponizing legitimate advertising channels…
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VoidLink Linux C2 Uses LLM-Generated Malware with Kernel-Level Stealth
VoidLink represents a concerning evolution in malware development: a sophisticated Linux command-and-control framework that shows clear signs of being built with AI assistance. This Linux malware operates as a modular implant designed for long-term access to compromised systems. It doesn’t discriminate between cloud providers, actively harvesting credentials from AWS, Google Cloud Platform, Microsoft Azure, Alibaba Cloud, and…
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Fancy Bear Exploits Microsoft Zero-Day to Deploy Backdoors and Email Stealers
Fancy Bear has launched a sophisticated campaign exploiting a critical zero-day vulnerability in Microsoft RTF files to target users across Central and Eastern Europe. The operation, dubbed >>Operation Neusploit,<< demonstrates the group's continued evolution in tradecraft and its strategic focus on regions of geopolitical interest to Russia. The group embedded malicious code within specially crafted…
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Harmlose Mails verschwunden: Microsoft gesteht Phishing-Panne bei Exchange Online
Wer bei Exchange Online seit einigen Tagen E-Mails vermisst, ist damit nicht allein. Laut Microsoft macht die Phishing-Erkennung Probleme. First seen on golem.de Jump to article: www.golem.de/news/harmlose-mails-verschwunden-microsoft-gesteht-phishing-panne-bei-exchange-online-2602-205202.html
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Microsoft Acknowledges Exchange Online Spam Filter Mistakenly Blocks Valid Email
Microsoft is currently tackling a significant service degradation within Exchange Online that is disrupting business communications by incorrectly flagging legitimate emails as phishing attempts. The incident, tracked under the identifier EX1227432, began on February 5, 2026, and is causing valid messages to be trapped in quarantine rather than reaching their intended recipients. Spam Filter Mistakenly Blocks…
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Anthropic’s DXT poses “critical RCE vulnerability” by running with full system privileges
Difference are ‘stark’: Principal AI Security Researcher at LayerX Security Roy Paz said that he tested DXT against Perplexity’s Comet, OpenAI’s Atlas, and Microsoft’s CoPilot, and the differences were stark.”When you ask Copilot, Atlas, or Perplexity to use a tool, then it will use that tool for you. But Claude DXT allows tools to talk…
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Anthropic’s DXT poses “critical RCE vulnerability” by running with full system privileges
Difference are ‘stark’: Principal AI Security Researcher at LayerX Security Roy Paz said that he tested DXT against Perplexity’s Comet, OpenAI’s Atlas, and Microsoft’s CoPilot, and the differences were stark.”When you ask Copilot, Atlas, or Perplexity to use a tool, then it will use that tool for you. But Claude DXT allows tools to talk…
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Ransomware group breached SmarterTools via flaw in its SmarterMail deployment
SmarterTools, the company behind the popular Microsoft Exchange alternative SmarterMail, has been breached by a ransomware-wielding group that leveraged a recently fixed … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/02/09/smartertools-breach-smartermail-vulnerability/
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SolarWinds Web Help Desk Exploited for RCE in Multi-Stage Attacks on Exposed Servers
Microsoft has revealed that it observed a multi”‘stage intrusion that involved the threat actors exploiting internet”‘exposed SolarWinds Web Help Desk (WHD) instances to obtain initial access and move laterally across the organization’s network to other high-value assets.That said, the Microsoft Defender Security Research Team said it’s not clear whether the activity weaponized recently First seen…
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Windows 11 Pro/Home: So nutzen wir Bitlocker ganz ohne Microsoft-Kontozwang
Wenn Microsoft online gespeicherte Bitlocker-Schlüssel an das FBI weitergibt, ist es wohl Zeit, die Kommandozeile in Windows 11 zu öffnen. First seen on golem.de Jump to article: www.golem.de/news/windows-11-pro-home-so-nutzen-wir-bitlocker-ganz-ohne-microsoft-kontozwang-2602-205107.html
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Exchange Online flags legitimate emails as phishing
Microsoft is investigating an ongoing Exchange Online issue that mistakenly flags legitimate emails as phishing and quarantines them. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-exchange-online-flags-legitimate-emails-as-phishing/
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Microsoft, Amazon Co. als Köder für Telefon-Betrug
Angreifer kapern die Benachrichtigungs-Workflows von Branchenriesen wie Microsoft, Amazon und Zoom. Weltweit sind über 20.000 Unternehmen betroffen, rund 18 Prozent davon aus Europa. First seen on it-daily.net Jump to article: www.it-daily.net/it-sicherheit/cybercrime/microsoft-amazon-betrug
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Microsoft sets Copilot agents loose on your OneDrive files
AI helpers can now rummage through multiple documents First seen on theregister.com Jump to article: www.theregister.com/2026/02/05/microsoft_onedrive_agents/
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Microsoft Starts Testing Built-In Sysmon Monitoring in Windows 11
Microsoft is rolling out native Sysmon support in Windows 11 Insider builds, giving security teams built-in system monitoring with optional activation. The post Microsoft Starts Testing Built-In Sysmon Monitoring in Windows 11 appeared first on TechRepublic. First seen on techrepublic.com Jump to article: www.techrepublic.com/article/news-windows-11-native-sysmon-support/
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Microsoft Unveils LiteBox, a Rust-Based Approach to Secure Sandboxing
Microsoft has released LiteBox, an experimental open-source library OS designed to sandbox applications while reducing their exposure to host systems. Written in Rust and published under the MIT license, LiteBox reflects the company’s efforts to upgrade software security as confidential computing gains adoption. LiteBox takes a different path from traditional virtualization or container technologies. Rather..…
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Goßangelegter Missbrauch namhafter SaaS-Plattformen für Telefon-Betrug
Check Point Research (CPR), die Sicherheitsforschungs-abteilung von Check Point Software Technologies, hat eine groß angelegte Phishing-Kampagne identifiziert, die bekannte SaaS-Dienste von Microsoft, Amazon, Zoom oder Youtube ausnutzt, um ihre Opfer zu betrügerischen Telefonaten zu verleiten. Anstatt Domänen zu fälschen oder bösartige Links zu versenden, missbrauchen Angreifer gezielt legitime Software-as-a-Service-Plattformen, um telefonbasierte Betrugsversuche durchzuführen, die für…
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Microsoft engineer speedruns Raspberry Pi magic smoke in five minutes
Only cool dudes should wear a HAT backward First seen on theregister.com Jump to article: www.theregister.com/2026/02/04/microsoft_manager_pi_smoke/
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February 2026 Patch Tuesday forecast: Lots of OOB love this month
Valentine’s Day is just around the corner and Microsoft has been giving us a lot of love with a non-stop supply of patches starting with January 2026 Patch Tuesday. The … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/02/06/february-2026-patch-tuesday-forecast/
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Phishing and OAuth Token Vulnerabilities Lead to Full Microsoft 365 Breach
Two medium-severity vulnerabilities, an unsecured email API endpoint and verbose error messages exposing OAuth tokens, chain together to enable authenticated phishing that bypasses all email security controls, persistent access to Microsoft 365 environments While protocols like SPF, DKIM, and DMARC have made traditional domain spoofing difficult, attackers have evolved. They now seek ways to send…