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Reliance on untrusted inputs in a security decision in Microsoft Office allows an unauthorized attacker to bypass a security feature locally. Continue reading CVE-2026-21509 Microsoft Office Security Feature Bypass Vulnerability→

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2024 ) for more information. Continue reading Chromium: CVE-2026-1220 Race in V8→

We are excited to announce the public preview of the Windows App Development CLI (winapp), a new open-source c

The post Announcing winapp, the Windows App Development CLI appeared first on Windows Developer Blog.

Continue reading Announcing winapp, the Windows App Development CLI→

We are excited to announce the public preview of the Windows App Development CLI (winapp), a new open-source c

The post Announcing winapp, the Windows App Development CLI appeared first on Windows Blog.

Continue reading Announcing winapp, the Windows App Development CLI→

Exposure of Sensitive Information to an Unauthorized Actor in Copilot Studio allows a unauthenticated attacker to view sensitive information through network attack vector Continue reading CVE-2026-21520 Copilot Studio Information Disclosure Vulnerability→

Improper access control in Azure Resource Manager allows an authorized attacker to elevate privileges over a network. Continue reading CVE-2026-24304 Azure Resource Manager Elevation of Privilege Vulnerability→

Improper neutralization of input during web page generation (‘cross-site scripting’) in Microsoft Account allows an unauthorized attacker to perform spoofing over a network. Continue reading CVE-2026-21264 Microsoft Account Spoofing Vulnerability→

Improper access control in Azure Front Door (AFD) allows an unauthorized attacker to elevate privileges over a network. Continue reading CVE-2026-24306 Azure Front Door Elevation of Privilege Vulnerability→