Common Vulnerabilities and Exposures (CVE)
CVE-2026-33823
Improper authorization in Microsoft Teams allows an authorized attacker to disclose information over a network.
CVE-2026-26164
Improper neutralization of special elements in output used by a downstream component ('injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network.
CVE-2026-33111
Improper neutralization of special elements used in a command ('command injection') in Copilot Chat (Microsoft Edge) allows an unauthorized attacker to disclose information over a network.
CVE-2026-26129
Improper neutralization of special elements in M365 Copilot allows an unauthorized attacker to disclose information over a network.
CVE-2026-45659
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVE-2026-42834
Improper link resolution before file access ('link following') in Azure Portal Windows Admin Center allows an authorized attacker to elevate privileges locally.
CVE-2026-45584
Heap-based buffer overflow in Microsoft Defender allows an unauthorized attacker to execute code over a network.
CVE-2026-42822
Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-45495
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
CVE-2026-45492
Improper input validation in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-33821
Improper privilege management in Microsoft Dynamics 365 Customer Insights allows an authorized attacker to elevate privileges over a network.
CVE-2026-42893
Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to perform tampering over a network.
CVE-2026-42838
Improper neutralization of special elements in output used by a downstream component ('injection') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-40416
User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.