CVE-2026-26134 - Vulnerability Details - OpenCVE

Integer overflow or wraparound in Microsoft Office allows an authorized attacker to elevate privileges locally.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Microsoft	Office

No data.

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26134

History

Tue, 10 Mar 2026 17:30:00 +0000

Type	Values Removed	Values Added
Description		Integer overflow or wraparound in Microsoft Office allows an authorized attacker to elevate privileges locally.
Title		Microsoft Office Elevation of Privilege Vulnerability
First Time appeared		Microsoft Microsoft office
Weaknesses		CWE-190 CWE-416
CPEs		cpe:2.3:a:microsoft:office:::android:::::*
Vendors & Products		Microsoft Microsoft office
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26134
Metrics		cvssV3_1 `{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-03-10T17:05:10.187Z

Updated: 2026-03-10T18:45:22.294Z

Reserved: 2026-02-11T16:24:51.133Z

Link: CVE-2026-26134

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-03-10T18:18:42.803

Modified: 2026-03-10T18:18:42.803

Link: CVE-2026-26134

Redhat

No data.

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