CVE-2026-45459CWE-693
Microsoft Excel Security Feature Bypass Vulnerability
Low · published June 9, 2026
What it is
Protection mechanism failure in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.
The record
Technical detail
- CVSS v3.1
- 3.3 · LOW
- Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C
- CVSS v4.0
- Not supplied
- EPSS
- 0.00475 · 40.1th percentile
- Weakness
- CWE-693 · Protection Mechanism Failure
- Published
- 2026-06-09T17:05Z
EPSS history
Timeline