CVE-2026-42832

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

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-26)

CWE

CWE-284

Published

2026-05-12

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• microsoft:excel
• microsoft:office
• microsoft:office_long_term_servicing_channel
• microsoft:word

References

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

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