CVE-2026-42832

Microsoft Office Spoofing Vulnerability

Published May 12, 2026 CVSS 3.1 · 7.7 High EPSS < 1% KEV · Not listed
Description
Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Microsoft office Long Term Servicing Channel
CPEs cpe:2.3:a:microsoft:office:2021:*:*:*:ltsc:macos:*:* cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:macos:*:*
Vendors & Products Microsoft office Long Term Servicing Channel
Type Values Removed Values Added
First Time appeared Microsoft office
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:microsoft:office:2021:*:*:*:ltsc:macos:*:*
cpe:2.3:a:microsoft:office:2024:*:*:*:ltsc:macos:*:*
Vendors & Products Microsoft office
Type Values Removed Values Added
First Time appeared Microsoft excel For Android
Microsoft word For Android
Vendors & Products Microsoft excel For Android
Microsoft word For Android
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.
Title Microsoft Office Spoofing Vulnerability
First Time appeared Microsoft
Microsoft excel
Microsoft office Macos 2021
Microsoft office Macos 2024
Microsoft word
Weaknesses CWE-284
CPEs cpe:2.3:a:microsoft:excel:*:*:*:*:*:android:*:*
cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*
cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*
cpe:2.3:a:microsoft:word:*:*:*:*:*:android:*:*
Vendors & Products Microsoft
Microsoft excel
Microsoft office Macos 2021
Microsoft office Macos 2024
Microsoft word
References
Metrics cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C'}