Microsoft Office Online Server
4 known vulnerabilities in Microsoft Office Online Server, with patch priority, exploit likelihood and the news covering them.
Latest vulnerabilities
- CVE-2026-81956 CVSS 7.8 high Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- CVE-2026-81947 CVSS 7.8 high Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- CVE-2026-81401 CVSS 5.5 medium Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to disclose…
- CVE-2026-81390 CVSS 5.5 medium Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.