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CVE-2026-49802

Last refreshed2026-10-15

Status: UPDATED  |  Advisory ID: CVE-2026-49802

Key Details

CVECVE-2026-49802
CVSS Score / Version
7.0 (High) / CVSS v3.1
Updated2026-10-14
CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Prose
attack vector is local; attack complexity is high; privileges required is low; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected products
Microsoft Windows 11 (version 24H2), Microsoft Windows 11 (version 25H2), Microsoft Windows 11 (version 26H1), and Microsoft Windows Server 2025
Classified as
CWE-362 (Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'))

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
MicrosoftWindows 11 (version 24H2)
MicrosoftWindows 11 (version 25H2)
MicrosoftWindows 11 (version 26H1)
MicrosoftWindows Server 2025
SubsystemsOT Supporting Infrastructure
SectorsAll Sectors

What to Know

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.

What to Do

Monitor Microsoft's web page for any future patch releases. See vendor advisory link below.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-49802
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-49802
Vendor advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49802

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