CVE-2026-81388

creationtimestamp| type| source ---|---|--- 2026-09-08 22:02:15+00:00| seen| https://www.thezdi.com/blog/2026/9/8/the-september-2026-security-update-review 2026-09-09 04:02:07+00:00| seen| https://www.thezdi.com/blog/2026/9/8/the-september-2026-security-update-review 2026-09-09 10:46:22+00:00|...

CVE-2026-81388

CVE-2026-81388 is a stack-based buffer overflow in Microsoft Office Excel that allows an unauthorized attacker to execute code locally. The attack requires user interaction (e.g., opening a crafted file) and no prior privileges. The CVSS 3.1 score is 7.8 (HIGH) , with high impact to confidentiali...