CVE-2026-20949 — Microsoft Excel Security Feature Bypass Vulnerability

Improper access control in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.

Published: 2026-01-13 · CVSS: 7.8 · CVSS 3.1

Improper access control in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.

Original CVE JSON · STIX 2.1

Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7