Description
Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
patch
Microsoft Office Spoofing Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42832
Scores
CVSS v3
7.7
EPSS
0.0005
EPSS Percentile
14.3%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-284
Status
published
Products (9)
microsoft/excel
< 16.0.19822.20190
Microsoft/Microsoft Excel for Android
16.0.0.0 - 16.0.19822.20190
Microsoft/Microsoft Office LTSC for Mac 2021
16.0.1 - 16.109.26051019
Microsoft/Microsoft Office LTSC for Mac 2024
16.0.0 - 16.109.26051019
Microsoft/Microsoft Word for Android
16.0.0.0 - 16.0.19822.20190
microsoft/office
2021
microsoft/office
2024
microsoft/office_long_term_servicing_channel
2021
microsoft/word
< 16.0.19822.20190
Published
May 12, 2026
Tracked Since
May 12, 2026