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Vulnerabilities

Structured data from NIST NVD and the CISA KEV catalog. Fields the source has not provided are shown as such — nothing is inferred.

Archives: September 2026 October 2026 CISA KEV / threat intelligence

CVESeverityCVSSKEVDescriptionModified (UTC)
CVE-2026-81956 high 7.8 No Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. 2026-09-17
CVE-2026-81954 high 7.8 No Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. 2026-09-17
CVE-2026-81953 high 7.8 No Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. 2026-09-17
CVE-2026-81952 high 8.8 No Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. 2026-09-17
CVE-2026-81951 high 7.8 No Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. 2026-09-17
CVE-2026-81950 high 7.8 No Double free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. 2026-09-17
CVE-2026-81949 high 7.8 No Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally. 2026-09-17
CVE-2026-81948 high 7.8 No Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. 2026-09-17
CVE-2026-81947 high 7.8 No Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. 2026-09-17
CVE-2026-81401 medium 5.5 No Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to disclose informat... 2026-09-17
CVE-2026-81400 medium 5.5 No Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. 2026-09-17
CVE-2026-81399 medium 5.5 No Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. 2026-09-17
CVE-2026-81398 high 7.8 No Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. 2026-09-17
CVE-2026-81397 high 7.8 No Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. 2026-09-17
CVE-2026-81395 medium 5.5 No Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. 2026-09-17
CVE-2026-81394 medium 5.5 No Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disc... 2026-09-17
CVE-2026-81393 medium 5.5 No Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. 2026-09-17
CVE-2026-81392 medium 5.5 No Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. 2026-09-17
CVE-2026-81391 medium 5.5 No Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. 2026-09-17
CVE-2026-81390 medium 5.5 No Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. 2026-09-17