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CVE WatchAug 13, 2026

CVE-2026-65776

Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.

CVSS

7.0

High

EPSS

0.2%

p13

KEV

—

Exploit Today

4

0-100

Published: Aug 11, 2026 · Last modified: Aug 13, 2026 · CWE-416

EPSS · 30d

0.2%EPSS · 30 days0.2%

2026-08-122026-08-23

Technical description

Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.

Official references

msrc.microsoft.comhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65776

Related CVEs

CVECVSSEPSSKEVRExploitTitleMod.

CVE-2026-772357.3 HIG

——0Missing privilege verification in the secure context cleanup handler in FreeRTOS-Kernel before 11.3.1 might allow local users to cause a use-after-free condition in secure-world memory via the SVC handler for secure context deallocation. To remediate this issue, users should upgrade to version 11.3.1 or later.3d CVE-2026-399098.1 HIG

——16llama.cpp before b8585 contains a use-after-free vulnerability in the RPC server's GRAPH_RECOMPUTE handler that allows unauthenticated remote attackers to achieve arbitrary read and write access by storing a computation graph, freeing referenced buffers, and reclaiming freed memory with attacker-controlled content. Attackers can send RPC requests to trigger re-execution of stored graphs with dangling pointers, enabling full remote code execution without requiring authentication or user interaction.3d CVE-2026-206794.3 MED

——4The issue was addressed with improved checks. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. Processing a maliciously crafted file may lead to unexpected app termination.3d CVE-2026-171189.8 CRI

——16IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code due to a use-after-free vulnerability.3d CVE-2026-760218.8 HIG

——12Use after free in DOM in Google Chrome prior to 151.0.7922.173 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)2d CVE-2026-760178.8 HIG

——12Use after free in Chromoting in Google Chrome prior to 151.0.7922.173 allowed a remote attacker to execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: Critical)3d