Common Vulnerabilities and Exposures (CVE)

CVE-2026-56191

Jul 30, 2026 17:48:52 UTC

Improper authentication in Microsoft Exchange Online allows an unauthorized attacker to perform tampering over a network.

CVE-2026-50517

Jul 30, 2026 17:48:52 UTC

Deserialization of untrusted data in M365 Copilot allows an authorized attacker to execute code over a network.

CVE-2026-49159

Jul 30, 2026 17:48:51 UTC

Exposure of sensitive information to an unauthorized actor in Microsoft Graph allows an authorized attacker to disclose information over a network.

CVE-2026-35425

Jul 30, 2026 17:48:51 UTC

Improper access control in Azure API Management (APIM) allows an authorized attacker to execute code over a network.

CVE-2026-56171

Jul 30, 2026 17:48:50 UTC

Exposure of private personal information to an unauthorized actor in Windows RDP allows an unauthorized attacker to disclose information over a network.

CVE-2026-58529

Jul 30, 2026 17:48:50 UTC

Out-of-bounds read in Active Directory Federation Services (AD FS) allows an authorized attacker to disclose information over a network.

CVE-2026-62828

Jul 30, 2026 17:48:49 UTC

Improper input validation in Microsoft Edge for Android allows an unauthorized attacker to perform tampering over a network.

CVE-2026-57989

Jul 30, 2026 17:48:49 UTC

Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

CVE-2026-62826

Jul 30, 2026 17:48:48 UTC

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVE-2026-55121

Jul 30, 2026 17:48:48 UTC

Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.

CVE-2026-56181

Jul 30, 2026 17:48:47 UTC

Origin validation error in Windows Network Address Translation (NAT) allows an unauthorized attacker to perform spoofing over an adjacent network.

CVE-2026-58638

Jul 30, 2026 17:48:46 UTC

Missing cryptographic step in Windows Boot Loader allows an authorized attacker to bypass a security feature locally.

CVE-2026-58637

Jul 30, 2026 17:48:46 UTC

Use after free in Windows Client-Side Caching (CSC) Service allows an authorized attacker to elevate privileges locally.

CVE-2026-58634

Jul 30, 2026 17:48:45 UTC

Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.

CVE-2026-58633

Jul 30, 2026 17:48:45 UTC

Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.