VulnerabilityAnalyzed
CVE-2026-45459
Protection mechanism failure in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.
LOW 3.3EPSS 0.37%
Does this matter?
Lower severity and a low EPSS score (0.37%). Track it; it rarely justifies an emergency change on its own.
Description
Protection mechanism failure in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.
- CVSS 3.1
- 3.3 LOWCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- EPSS
- 0.37% probability · 31th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-693
- Affected
- microsoft/365 apps · microsoft/microsoft 365 · microsoft/office 2021 · microsoft/office 2024
- Source
- secure@microsoft.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.