Common Vulnerabilities and Exposures (CVE)
CVE-2026-21520
Exposure of Sensitive Information to an Unauthorized Actor in Copilot Studio allows a unauthenticated attacker to view sensitive information through network attack vector
CVE-2026-21223
Microsoft Edge Elevation Service exposes a privileged COM interface that inadequately validates the privileges of the calling process. A standard (non‑administrator) local user can invoke the IElevatorEdge interface method LaunchUpdateCmdEl...
CVE-2026-21226
Deserialization of untrusted data in Azure Core shared client library for Python allows an authorized attacker to execute code over a network.
CVE-2026-20941
Improper link resolution before file access ('link following') in Host Process for Windows Tasks allows an authorized attacker to elevate privileges locally.
CVE-2026-20958
Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.
CVE-2026-20957
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-20952
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-20950
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-20949
Improper access control in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.
CVE-2026-20948
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-20939
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
CVE-2026-20937
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
CVE-2026-20936
Out-of-bounds read in Windows NDIS allows an authorized attacker to disclose information with a physical attack.
CVE-2026-20935
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an unauthorized attacker to disclose information locally.
CVE-2026-20931
External control of file name or path in Windows Telephony Service allows an authorized attacker to elevate privileges over an adjacent network.