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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-50396

32
FAUCET Score

Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.

First published: Jul 14, 2026Last modified: Jul 22, 2026

Impacted Technologies

VendorProductVersion(s)CPE
< 10.0.26100.8875CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*
< 10.0.26200.8875CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*
< 10.0.28000.2269CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*
< 10.0.28000.2525CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
< 10.0.26100.33158CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.0HIGH

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.20%
Probability of exploitation in next 30 days
EPSS Percentile
10.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0020 is in the 37th percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (9)

microsoftpatch availablevia msrc
Product: Windows 11 version 26H1 for x64-based SystemsFixed in: 10.0.28000.2269
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2025 (Server Core installation)Fixed in: 10.0.26100.33158
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2025Fixed in: 10.0.26100.33158
View patch
microsoftpatch availablevia msrc
Product: Windows 11 Version 25H2 for ARM64-based SystemsFixed in: 10.0.26200.8875
View patch
microsoftpatch availablevia msrc
Product: Windows 11 Version 25H2 for x64-based SystemsFixed in: 10.0.26200.8875
View patch
microsoftpatch availablevia msrc
Product: Windows 11 Version 24H2 for ARM64-based SystemsFixed in: 10.0.26100.8875
View patch
microsoftpatch availablevia msrc
Product: Windows 11 Version 24H2 for x64-based SystemsFixed in: 10.0.26100.8875
View patch
microsoftpatch availablevia msrc
Product: Windows 11 version 26H1 for x64-based SystemsFixed in: 10.0.28000.2525
View patch
microsoftpatch availablevia msrc
Product: Windows 11 Version 26H1 for ARM64-based SystemsFixed in: 10.0.28000.2525
View patch

Vendor Advisories (1)

microsoft2026-Jul/CVE-2026-50396Important

Windows Kernel-Mode Driver Elevation of Privilege Vulnerability

Jul 14, 2026

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2026-50396
PatchVendor Advisory