CVE-2024-21338

Windows Kernel Elevation of Privilege Vulnerability

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21338	Patch Vendor Advisory
https://decoded.avast.io/janvojtesek/lazarus-and-the-fudmodule-rootkit-beyond-byovd-with-an-admin-to-kernel-zero-day/	Exploit Technical Description Third Party Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21338	Patch Vendor Advisory
https://packetstorm.news/files/id/190586/
https://www.exploit-db.com/exploits/52275

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:microsoft:windows_10_1809::::::::
	cpe:2.3:o:microsoft:windows_10_21h2::::::::
	cpe:2.3:o:microsoft:windows_10_22h2::::::::
	cpe:2.3:o:microsoft:windows_11_21h2::::::::
	cpe:2.3:o:microsoft:windows_11_22h2::::::::
	cpe:2.3:o:microsoft:windows_11_23h2::::::::
	cpe:2.3:o:microsoft:windows_server_2019::::::::
	cpe:2.3:o:microsoft:windows_server_2022::::::::
	cpe:2.3:o:microsoft:windows_server_2022_23h2::::::::

History

24 Apr 2025, 19:15

Type	Values Removed	Values Added
References		() https://packetstorm.news/files/id/190586/ - () https://www.exploit-db.com/exploits/52275 -

Information

Published : 2024-02-13 18:15

Updated : 2025-04-24 19:15

NVD link : CVE-2024-21338

Mitre link : CVE-2024-21338

CVE.ORG link : CVE-2024-21338

JSON object : View

Products Affected

microsoft

windows_server_2022
windows_11_23h2
windows_10_21h2
windows_11_22h2
windows_10_1809
windows_11_21h2
windows_server_2022_23h2
windows_10_22h2
windows_server_2019

CWE

CWE-822

Untrusted Pointer Dereference

NVD-CWE-noinfo

{"id": "CVE-2024-21338", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "secure@microsoft.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2024-02-13T18:15:49.083", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21338", "tags": ["Patch", "Vendor Advisory"], "source": "secure@microsoft.com"}, {"url": "https://decoded.avast.io/janvojtesek/lazarus-and-the-fudmodule-rootkit-beyond-byovd-with-an-admin-to-kernel-zero-day/", "tags": ["Exploit", "Technical Description", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21338", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://packetstorm.news/files/id/190586/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.exploit-db.com/exploits/52275", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-822"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "Windows Kernel Elevation of Privilege Vulnerability"}, {"lang": "es", "value": "Vulnerabilidad de elevaci\u00f3n de privilegios del kernel de Windows"}], "lastModified": "2025-04-24T19:15:45.577", "cisaActionDue": "2024-03-25", "cisaExploitAdd": "2024-03-04", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A1689DFD-D52D-4121-BFD7-DBF2BE4E7DE8", "versionEndExcluding": "10.0.17763.5458"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C78776CC-3A9C-41A3-8BEB-D71D92F6579D", "versionEndExcluding": "10.0.19044.4046"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "806CA6D2-42B2-4244-A5ED-D23E6DD56772", "versionEndExcluding": "10.0.19045.4046"}, {"criteria": "cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3F7F8173-9E59-48E4-98C9-4BEB6AE79451", "versionEndExcluding": "10.0.22000.2777"}, {"criteria": "cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "84EDBE52-EFE0-4D6D-AA76-698B6F9687D1", "versionEndExcluding": "10.0.22621.3155"}, {"criteria": "cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "900D1DA2-6DA7-4681-966A-B9973B1329EA", "versionEndExcluding": "10.0.22631.3155"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A9098F92-79E7-4762-A37C-99B4CFA8CDD1", "versionEndExcluding": "10.0.17763.5458"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5C8F0436-3AFE-48BD-AE92-8F8392DD0A1D", "versionEndExcluding": "10.0.20348.2322"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "62322DCD-FDD1-4E54-A51A-08D68890E7DE", "versionEndIncluding": "10.0.25398.709"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com", "cisaRequiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.", "cisaVulnerabilityName": "Microsoft Windows Kernel Exposed IOCTL with Insufficient Access Control Vulnerability"}