CVE-2024-20686
CVE-2024-20686 is a high-severity vulnerability in Microsoft Windows Server 2022 23h2 with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-591.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- EPSS exploit prediction: 1% (48th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-18401
- Weakness: CWE-591
- Affected product: Microsoft Windows Server 2022 23h2
- Published:
- Last modified:
Description
Win32k Elevation of Privilege Vulnerability
Frequently asked questions
- What is CVE-2024-20686?
- Win32k Elevation of Privilege Vulnerability
- How severe is CVE-2024-20686?
- CVE-2024-20686 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2024-20686 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-20686?
- CVE-2024-20686 affects Microsoft Windows Server 2022 23h2. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-20686?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2024-20686 have an EU (EUVD) identifier?
- Yes. CVE-2024-20686 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18401.
- When was CVE-2024-20686 published?
- CVE-2024-20686 was published on 2024-01-09 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:microsoft:windows_server_2022_23h2:-:*:*:*:*:*:*:*
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