ZeusQA
Start free

Known exploited vulnerability

CVE-2023-36424

highCVSS 3.1 7.8In CISA KEVEPSS 12%Published · Microsoft

The short answer

CVE-2023-36424 affects Microsoft Windows 11 version 22H3 and is rated high (CVSS 7.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2026-04-13: attackers are using it, so patch it first. The vendor has linked a patch.

What it is

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Weakness: CWE-125.

Severity

7.8 high

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

Exploited (CISA KEV)

Yes, since Apr 13, 2026

Federal due date Apr 27, 2026

EPSS, next 30 days

12%

Higher than 96% of scored CVEs

How it can be exploited

Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Affected products

Windows 11 version 22H3, Windows Server 2022, 23H2 Edition (Server Core installation), Windows 11 Version 23H2, Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows 11 version 21H2, Windows 10 Version 21H2, Windows 11 version 22H2, Windows 10 Version 22H2, Windows 10 Version 1507. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2023-36424 being exploited?

Yes. CISA added CVE-2023-36424 to its Known Exploited Vulnerabilities catalog on 2026-04-13, with a federal remediation due date of 2026-04-27.

How do I fix CVE-2023-36424?

CISA's required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

Related

Know the day a CVE lands in your code

Connect a GitHub repository and ZeusQA checks its dependencies daily, briefs each advisory and opens the fix. Three test runs free, no card.

Start freeSee how a run works