Office Long Term Servicing Channel
CVE-2026-20948
HIGH
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
AnalysisAI
Local code execution in Microsoft Office Word (including 365 Apps and SharePoint Server) results from unsafe pointer dereferencing that can be triggered by user interaction with a malicious document. An attacker with local access can exploit this vulnerability to execute arbitrary code with the privileges of the affected user. No patch is currently available for this vulnerability.
Technical ContextAI
Affects 365 Apps. Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
RemediationAI
Monitor vendor advisories for a patch.
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Same weakness CWE-822 – Untrusted Pointer Dereference
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External POC / Exploit Code
Leaving vuln.today