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Use-After-Free in Microsoft Office Enables Local Code Execution

Last refreshed2026-09-26

Status: UPDATED  |  Advisory ID: CVE-2026-32190

Key Details

CVECVE-2026-32190
CVSS Score / Version8.4 (High) / CVSS v3.1
Updated2026-09-24
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Proseattack vector is local; attack complexity is low; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected productsMicrosoft Office and Microsoft Office Long Term Servicing Channel
Classified asCWE-416 (Use After Free)
Exploitation prediction (EPSS)0.36% probability of exploitation in the next 30 days (28% percentile) -- FIRST.org's EPSS model.

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
MicrosoftOffice
MicrosoftOffice Long Term Servicing Channel
SubsystemsGeneral OT
SectorsMultiple

What to Know

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

What to Do

Monitor Microsoft's web page for any future patch releases. See vendor advisory link below.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-32190
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-32190
Vendor advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32190