CVE-2026-42832

Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.

Score

CVSS 3.1 7.7 High

Status

Analyzed - secure@microsoft.com

Published

2026-05-12

Last modified

2026-10-26

Weaknesses

CWE-284

Affected products

• Excel (Microsoft)
• Office (Microsoft)
• Office Long Term Servicing Channel (Microsoft)
• Office Macos 2021 (Microsoft)
• Office Macos 2024 (Microsoft)
• Word (Microsoft)

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42832