#microsoft

Congratulations to all the researchers recognized in this quarter’s Microsoft Researcher Recognition Program leaderboard! Thank you to everyone for your hard work and continued partnership to secure customers. The top three researchers of the 2024 Q4 Security Researcher Leaderboard are Suresh, VictorV, wkai! Check out the full list of researchers recognized this quarter here.

Microsoft kicked off 2025 with a new set of patches for a total of 161 security vulnerabilities across its software portfolio, including three zero-days that have been actively exploited in attacks. Of the 161 flaws, 11 are rated Critical, and 149 are rated Important in severity. One other flaw, a non-Microsoft CVE related to a Windows Secure Boot bypass (CVE-2024-7344), has not been assigned

January Microsoft Patch Tuesday. 170 CVEs, 10 of them were added since December MSPT. 3 exploited in the wild: 🔻 EoP – Windows Hyper-V NT Kernel Integration VSP (CVE-2025-21333, CVE-2025-21334, CVE-2025-21335). No details yet. No vulnerabilities have public exploits. 5 have private ones: 🔸 Security Feature Bypass – Microsoft Update Catalog (CVE-2024-49147), MapUrlToZone (CVE-2025-21268, CVE-2025-21189)🔸 […]

Company has issued patches for an unprecedented 159 CVEs, including eight zero-days, three of which attackers are already exploiting.

Microsoft today unleashed updates to plug a whopping 161 security vulnerabilities in Windows and related software, including three "zero-day" weaknesses that are already under active attack. Redmond's inaugural Patch Tuesday of 2025 bundles more fixes than the company has shipped in one go since 2017.

The acquisition accelerates 1Password's ongoing efforts to expand the role of the password manager with secure SaaS management.

Emergent macOS vulnerability lets adversaries circumvent Apple's System Integrity Protection (SIP) by loading third-party kernels.

Microsoft has released its monthly security update for January of 2025 which includes 159 vulnerabilities, including 10 that Microsoft marked as “critical.” The remaining vulnerabilities listed are classified as “important.”

**Why is this Chrome CVE included in the Security Update Guide?** The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable. **How can I see the version of the browser?** 1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window 2. Click on **Help and Feedback** 3. Click on **About Microsoft Edge**

# Microsoft Security Advisory CVE-2025-21176 | .NET and Visual Studio Remote Code Execution Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 8.0 and .NET 9.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. An attacker could exploit this vulnerability by loading a specially crafted file in Visual Studio. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/runtime/issues/111425 ## <a name="mitigation-factors"></a>Mitigation factors Microsoft has not identified any mitigating factors for this vulnerability. ## <a name="affected-software"></a>Affected software * Any .NET 8.0 application running on .NET 8.0.11 or earlier. * Any .NET 9.0 application running on .NET 9.0.0 or earlier. ## <a name="affected-packages"></a>Affected Packages The vulnerability affects...