CVE-2026-69421 in Windowsinfo

Summary

by MITRE • 09/09/2026

Integer underflow (wrap or wraparound) in Windows Kernel Mode Driver allows an authorized attacker to elevate privileges locally.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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An in-depth analysis is available in our curated vulnerability entry.

Responsible

Microsoft

Reservation

08/03/2026

Disclosure

09/09/2026

Moderation

accepted

CPE

ready

EPSS

0.00318

KEV

no

Activities

very low

Sector

Education, Agriculture, ...

Sources

MITREhttps://www.cve.org/CVERecord?id=CVE-2026-69421
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-69421
CVE Detailshttps://www.cvedetails.com/cve/CVE-2026-69421/

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