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CVE WatchSep 8, 2026

CVE-2026-83939

Untrusted pointer dereference in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.

CVSS

8.2

High

EPSS

—

KEV

—

Exploit Today

—

0-100

Published: Sep 8, 2026 · Last modified: Sep 8, 2026 · CWE-822

EPSS · 30d

Not enough EPSS history yet.

Technical description

Untrusted pointer dereference in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.

Official references

msrc.microsoft.comhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83939

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CVECVSSEPSSKEVRExploitTitleMod.

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———Untrusted pointer dereference in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate privileges locally.5h