8
CVE-2026-21257 - GitHub Copilot and Visual Studio Elevation of Privilege Vulnerability
Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio allows an authorized attacker to elevate privileges over a network.
5.5
CVE-2026-21261 - Microsoft Excel Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
7
CVE-2026-21508 - Windows Storage Elevation of Privilege Vulnerability
Improper authentication in Windows Storage allows an authorized attacker to elevate privileges locally.
7.5
CVE-2026-21511 - Microsoft Outlook Spoofing Vulnerability
Deserialization of untrusted data in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.
8.8
CVE-2026-21516 - GitHub Copilot for Jetbrains Remote Code Execution Vulnerability
Improper neutralization of special elements used in a command ('command injection') in Github Copilot allows an unauthorized attacker to execute code over a network.
6.2
CVE-2026-21525 - Windows Remote Access Connection Manager Denial of Service Vulnerability
Null pointer dereference in Windows Remote Access Connection Manager allows an unauthorized attacker to deny service locally.
7.8
CVE-2026-21514 - Microsoft Word Security Feature Bypass Vulnerability
Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.
5.7
CVE-2026-21529 - Azure HDInsight Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Azure HDInsights allows an authorized attacker to perform spoofing over a network.
8.8
CVE-2026-21537 - Microsoft Defender for Endpoint Linux Extension Remote Code Execution Vulnerability
Improper control of generation of code ('code injection') in Microsoft Defender for Linux allows an unauthorized attacker to execute code over an adjacent network.
8.8
CVE-2026-21510 - Windows Shell Security Feature Bypass Vulnerability
Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.