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VulnerabilityCVE-2023-36424Published 2023-11-14

CVE-2023-36424 — microsoft:windows_server_2022

highCISA KEVPublic exploit2 PoC repos

As of 2026-04-14, CVE-2023-36424 is a HIGH-severity vulnerability in microsoft:windows_server_2022, CVSS v3.1 7.8, EPSS 12.1% (96.0th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-04-13), with a US federal remediation deadline of 2026-04-27. Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2023-36424, most recently “CISA KEV Catalog Update: Seven Actively Exploited Vulnerabilities Added 2026-04-13 (Microsoft, Adobe, Fortinet)”.

CVSS v3.1
7.8/10High
EPSS
12.1%Higher than 96.0% of scored CVEs
CISA KEV
ListedAdded · due 2026-04-27
Tracked threats
1Campaigns referencing it
Priority
9/10Threadlinqs triage score
Published
Updated 2026-04-14
CVSS v3.1 7.8 (HIGH) · EPSS 12.1% (higher than 96.0% of all scored CVEs) · Priority 9/10 · Published 2023-11-14

Last updated:

What is CVE-2023-36424?

Windows Common Log File System Driver Elevation of Privilege Vulnerability

The record classifies CVE-2023-36424 under weakness class CWE-125. Its CVSS v3 base vector states that the flaw requires local access to the host, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 14 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 1082 days ago.

Severity and exploitation probability

CVSS v3.1 base score
7.8 — HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (FIRST)
12.1% probability of exploitation in the next 30 days, higher than 96.0% of all scored CVEs
CISA KEV
Listed since 2026-04-13, federal remediation deadline 2026-04-27
Threadlinqs priority
9/10 — CISA KEV-listed, which Threadlinqs floors at 9
Published
2023-11-14, last modified 2026-04-14

Is CVE-2023-36424 being exploited?

CISA added CVE-2023-36424 to the Known Exploited Vulnerabilities catalog on 2026-04-13, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2026-04-27 under BOD 22-01. Weaponised exploit code for CVE-2023-36424 is publicly available. 2 public proof-of-concept repositories are tracked for this identifier. It currently carries a trending score of 47 in the Threadlinqs vulnerability feed.

Affected products and versions

  • (vendor unspecified): microsoft:windows_server_2022, microsoft:windows_11_21h2, microsoft:windows_server_2012, microsoft:windows_10_22h2, microsoft:windows_server_2008, microsoft:windows_10_1809, microsoft:windows_10_1507, microsoft:windows_server_2019, microsoft:windows_10_1607, microsoft:windows_11_23h2, microsoft:windows_server_2016, microsoft:windows_11_22h2, microsoft:windows_10_21h2, microsoft:windows_server_2022_23h2

How to fix CVE-2023-36424

The record marks a vendor fix as available for CVE-2023-36424. Patch reference: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36424. Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36424. Because CVE-2023-36424 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2026-04-27. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

Threat activity tracking CVE-2023-36424

1 tracked threat in the Threadlinqs corpus references CVE-2023-36424, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Enriched from CVE.org, NVD, FIRST EPSS, CISA KEV, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.

Vendor advisory and patch

Other references