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HIGH · 8.8

CVE-2026-35436

Insufficient granularity of access control in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.

Vulnerability Description

Insufficient granularity of access control in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Microsoft365 Apps-
MicrosoftOffice2019
MicrosoftOffice Long Term Servicing Channel2021

Related Weaknesses (CWE)

CWE-1220

References

FAQ

What is CVE-2026-35436?

CVE-2026-35436 is a vulnerability with a CVSS score of 8.8 (HIGH). Insufficient granularity of access control in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.

How severe is CVE-2026-35436?

CVE-2026-35436 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-35436?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft 365 Apps, Microsoft Office, Microsoft Office Long Term Servicing Channel.