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Tool Directory

CVE-2026-62737

HighPublished

Windows Kernel Elevation of Privilege Vulnerability

Published: Aug 11, 2026
Updated: Sep 16, 2026
Assigning CNA: microsoft
Evidence observed: Aug 18, 2026

Primary CVSS

7.8/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

2.8%

Low · next 30 days

Percentile: 86.0%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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

Sources

cve-2026-62737-labExploit
Elevates a low-privilege Windows process to SYSTEM via a gdb-assisted ROP token-swap chain, demonstrating CVE-2026-62737 in a lab-only QEMU environment.
CVE-2026-62737PoC
PowerShell proof-of-concept that triggers CVE-2026-62737, an arbitrary kernel call in ExecutionContext.sys, causing a controlled kernel crash on Windows 11.

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