Microsoft Sharepoint Server vulnerabilities

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-2026-20959 [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-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-2025-64672 [CRITICAL] 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-2025-62562 [HIGH] CWE-416 CVE-2025-62562: Use after free in Microsoft Office Outlook allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Outlook allows an unauthorized attacker to execute code locally.

CVE-2025-62555 [HIGH] CWE-416 CVE-2025-62555: Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2025-62558 [HIGH] CWE-416 CVE-2025-62558: Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2025-62559 [HIGH] CWE-416 CVE-2025-62559: Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

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-2025-59235 [HIGH] CWE-125 CVE-2025-59235: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

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-2025-59232 [HIGH] CWE-125 CVE-2025-59232: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

CVE-2025-59222 [HIGH] CWE-416 CVE-2025-59222: Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2025-59221 [HIGH] CWE-416 CVE-2025-59221: Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

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-2025-54905 [HIGH] CWE-822 CVE-2025-54905: Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to disclose i Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

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-2025-54906 [HIGH] CWE-416 CVE-2025-54906: Free of memory not on the heap in Microsoft Office allows an unauthorized attacker to execute code l Free of memory not on the heap in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2025-53733 [HIGH] CWE-681 CVE-2025-53733: Incorrect conversion between numeric types in Microsoft Office Word allows an unauthorized attacker Incorrect conversion between numeric types in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2025-49712 [HIGH] CWE-502 CVE-2025-49712: 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.