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HIGH · 8.4

CVE-2026-45472

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

Vulnerability Description

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

CVSS Score

8.4

HIGH

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

Affected Products

VendorProductVersions
Microsoft365 Apps-
Microsoft365 CopilotAll versions
MicrosoftMicrosoft 365-
MicrosoftOffice 2016-
MicrosoftOffice 2019-
MicrosoftOffice 2021-
MicrosoftOffice 2024-

Related Weaknesses (CWE)

CWE-416CWE-787

References

FAQ

What is CVE-2026-45472?

CVE-2026-45472 is a vulnerability with a CVSS score of 8.4 (HIGH). Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

How severe is CVE-2026-45472?

CVE-2026-45472 has been rated HIGH with a CVSS base score of 8.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-45472?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft 365 Apps, Microsoft 365 Copilot, Microsoft Microsoft 365, Microsoft Office 2016, Microsoft Office 2019.