Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2022-24521 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Microsoft Windows Server 2008. Its CVSS base score is 7.8 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Security Account Manager (T1003.002); ranked in the top 6% of CVEs by exploit likelihood; CISA has added it to the Known Exploited Vulnerabilities catalog.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
The vulnerability CVE-2022-24521 is an elevation-of-privilege flaw in the Windows Common Log File System (CLFS) Driver, stemming from an out-of-bounds write condition (CWE-787). It affects Windows systems that include this kernel-mode driver component and carries a CVSS 3.1 base score of 7.8, reflecting local attack vector, low complexity, and low required privileges.
A local attacker who already possesses a low-privileged user account on an affected Windows host can exploit the flaw to execute arbitrary code with elevated privileges, typically resulting in full control over confidentiality, integrity, and availability of the system. Successful exploitation allows the attacker to bypass normal access controls and obtain SYSTEM-level rights without user interaction.
Microsoft has published security updates that address the issue, and the vulnerability appears in CISA’s Known Exploited Vulnerabilities catalog, confirming observed in-the-wild exploitation. The associated EPSS score has remained in a narrow band between 0.0749 and a peak of 0.0868, indicating modest but persistent exploitation interest after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-29401
Vulnerability Data
Windows Common Log File System Driver Elevation of Privilege Vulnerability
- CWE(s)
- KEV Date Added
- 13 April 2022
Related Threats
Threat-Actor AttributionAI
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Vulnerability scanning and recording can discover out-of-bounds write flaws so they can be remediated.
Patching or replacing vulnerable software directly eliminates known instances of this coding weakness.
Secure-development practices (static analysis, bounds checking, code review) are the primary means of preventing out-of-bounds writes.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.