CVE-2026-55137

creationtimestamp| type| source ---|---|--- 2026-07-14 19:00:58+00:00| seen| https://advisories.ncsc.nl/advisory?id=NCSC-2026-0237 2026-07-14 22:03:03+00:00| seen| https://www.thezdi.com/blog/2026/7/14/the-july-2026-security-update-review 2026-07-15 01:00:52+00:00| seen|...

CVE-2026-55137

CVE-2026-55137 in Microsoft Excel is a heap-based buffer overflow in Microsoft Office Excel that allows an unauthorized, locally executed code when a user opens a malicious file or link. The CVSS 3.1 vector (L, L, N, R, U, C/H/I/H/A/H) indicates a HIGH-severity, local attack requiring user intera...