01 Record
CVE-2024-21338
Windows Kernel Elevation of Privilege Vulnerability
HighKEVPUBLISHEDCNA: microsoft
CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
02 Description
Windows Kernel Elevation of Privilege Vulnerability
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2024-03-04. Federal remediation due 2024-03-25. Known ransomware campaign use: reported by CISA.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 59.81% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 99.0% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-08-10.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2024-02-13 18:02Z2 YR AGO
- Last updated
- 2026-08-10 17:52Z2 MO AGO
- Reserved
- 2023-12-08
- Assigning CNA
- microsoft
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.8)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
- Weaknesses
- CWE-822Untrusted Pointer DereferenceBase
- Data version
- 5.2
- Document digest
- 7bcec8d80b0654800b8c12c18a6f569538a090cd7c1c5fe7e015a3c2b117d7fe
05 Affected products
VendorProductVersionsPlatforms
MicrosoftWindows 10 Version 180910.0.17763.0 to < 10.0.17763.5458, 10.0.0 to < 10.0.17763.545832-bit Systems, x64-based Systems, ARM64-based Systems
MicrosoftWindows 10 Version 21H210.0.19043.0 to < 10.0.19044.404632-bit Systems, ARM64-based Systems, x64-based Systems
MicrosoftWindows 10 Version 22H210.0.19045.0 to < 10.0.19045.404632-bit Systems, ARM64-based Systems, x64-based Systems
MicrosoftWindows 11 version 22H210.0.22621.0 to < 10.0.22621.3155ARM64-based Systems, x64-based Systems
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 to < 10.0.17763.5458x64-based Systems
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0 to < 10.0.25398.709x64-based Systems
06 References
- msrc.microsoft.comWindows Kernel Elevation of Privilege Vulnerabilityhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21338
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21338
- www.exploit-db.comhttps://www.exploit-db.com/exploits/52275
- packetstorm.newshttps://packetstorm.news/files/id/190586/
- decoded.avast.iohttps://decoded.avast.io/janvojtesek/lazarus-and-the-fudmodule-rootkit-beyond-byovd-with-an-admin-to-kernel-zero-day/