CVE-2025-62220
CVE-2025-62220 is a high-severity vulnerability in Microsoft Windows Subsystem For Linux with a CVSS 3.x base score of 8.8. 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-122.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 1% (47th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-93423
- Weakness: CWE-122
- Affected product: Microsoft Windows Subsystem For Linux
- Published:
- Last modified:
Description
Heap-based buffer overflow in Windows Subsystem for Linux GUI allows an unauthorized attacker to execute code over a network.
Frequently asked questions
- What is CVE-2025-62220?
- Heap-based buffer overflow in Windows Subsystem for Linux GUI allows an unauthorized attacker to execute code over a network.
- How severe is CVE-2025-62220?
- CVE-2025-62220 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-62220 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-62220?
- CVE-2025-62220 affects Microsoft Windows Subsystem For Linux. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-62220?
- 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-2025-62220 have an EU (EUVD) identifier?
- Yes. CVE-2025-62220 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-93423.
- When was CVE-2025-62220 published?
- CVE-2025-62220 was published on 2025-11-11 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:windows_subsystem_for_linux:*:*:*:*:*:-:*:*
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