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CVE-2026-50436

31
FAUCET Score

Use after free in Windows Kernel 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

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.78%
Probability of exploitation in next 30 days
EPSS Percentile
75.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0178 is in the 96th percentile among its peer group of 17,061 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 (10)

microsoftpatch availablevia nvd_reference
View patch
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-2026-50436Important

Windows Kernel Elevation of Privilege Vulnerability

Jul 14, 2026

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2026-50436
PatchVendor Advisory