CVE-2026-42832

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

CVSS v3 7.7 HIGH

7.7^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.5 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42832	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:excel::::::android::*
	cpe:2.3:a:microsoft:office:2024::::ltsc:macos::*
	cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:::::macos::
	cpe:2.3:a:microsoft:word::::::android::*

History

19 May 2026, 18:38

Type	Values Removed	Values Added
First Time		Microsoft office Long Term Servicing Channel
CPE	cpe:2.3:a:microsoft:office:2021::::ltsc:macos::*	cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:::::macos::

16 May 2026, 02:03

Type	Values Removed	Values Added
CPE		cpe:2.3:a:microsoft:word::::::android::* cpe:2.3:a:microsoft:excel::::::android::* cpe:2.3:a:microsoft:office:2021::::ltsc:macos::* cpe:2.3:a:microsoft:office:2024::::ltsc:macos::*
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42832 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42832 - Vendor Advisory
CWE		NVD-CWE-noinfo
First Time		Microsoft Microsoft office Microsoft excel Microsoft word

12 May 2026, 18:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-12 18:17

Updated : 2026-05-19 18:38

NVD link : CVE-2026-42832

Mitre link : CVE-2026-42832

CVE.ORG link : CVE-2026-42832

JSON object : View

Products Affected

microsoft

office_long_term_servicing_channel
excel
office
word

CWE

CWE-284

Improper Access Control

NVD-CWE-noinfo

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