Microsoft Sharepoint Server Subscription Edition vulnerabilities

CVE-2026-26105 [HIGH] CWE-79 CVE-2026-26105: Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Of Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-26106 [HIGH] CWE-20 CVE-2026-26106: Improper input validation in Microsoft Office SharePoint allows an authorized attacker to execute co Improper input validation in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

CVE-2026-26113 [HIGH] CWE-822 CVE-2026-26113: Untrusted pointer dereference in Microsoft Office allows an unauthorized attacker to execute code lo Untrusted pointer dereference in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-21260 [HIGH] CWE-200 CVE-2026-21260: Exposure of sensitive information to an unauthorized actor in Microsoft Office Outlook allows an una Exposure of sensitive information to an unauthorized actor in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-21511 [HIGH] CWE-502 CVE-2026-21511: Deserialization of untrusted data in Microsoft Office Outlook allows an unauthorized attacker to per Deserialization of untrusted data in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-20963 [CRITICAL] CWE-502 CVE-2026-20963: Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.

CVE-2026-20947 [HIGH] CWE-89 CVE-2026-20947: Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Of Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

CVE-2026-20943 [HIGH] CWE-426 CVE-2026-20943: Untrusted search path in Microsoft Office allows an unauthorized attacker to execute code locally. Untrusted search path in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-20951 [HIGH] CWE-20 CVE-2026-20951: Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.

CVE-2026-20958 [MEDIUM] CWE-918 CVE-2026-20958: Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to d Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.

CVE-2026-20959 [MEDIUM] CWE-79 CVE-2026-20959: Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Of 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-2025-64672 [HIGH] CWE-79 CVE-2025-64672: Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Of 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-2025-62204 [HIGH] CWE-502 CVE-2025-62204: Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to ex Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

CVE-2025-59228 [HIGH] CWE-20 CVE-2025-59228: Improper input validation in Microsoft Office SharePoint allows an authorized attacker to execute co Improper input validation in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

CVE-2025-59237 [HIGH] CWE-502 CVE-2025-59237: Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to ex Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

CVE-2025-54897 [HIGH] CWE-502 CVE-2025-54897: Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to ex Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

CVE-2025-53760 [HIGH] CWE-918 CVE-2025-53760: Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to e Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

CVE-2025-53770 [CRITICAL] CWE-502 CVE-2025-53770: Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an unauthorized Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an unauthorized attacker to execute code over a network. Microsoft is aware that an exploit for CVE-2025-53770 exists in the wild. Microsoft is preparing and fully testing a comprehensive update to address this vulnerability. In the meantime, please make sure that t

CVE-2025-53771 [MEDIUM] CWE-287 CVE-2025-53771: Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform sp Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

CVE-2025-49701 [HIGH] CWE-285 CVE-2025-49701: Improper authorization in Microsoft Office SharePoint allows an authorized attacker to execute code Improper authorization in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.