CVE-2026-57968
CVE-2026-57968 is a high-severity vulnerability in Microsoft Windows Subsystem For Linux 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-126.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- EPSS exploit prediction: 0% (24th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-126
- Affected product: Microsoft Windows Subsystem For Linux
- Published:
- Last modified:
Description
Buffer over-read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
Frequently asked questions
- What is CVE-2026-57968?
- Buffer over-read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
- How severe is CVE-2026-57968?
- CVE-2026-57968 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-2026-57968 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-57968?
- CVE-2026-57968 affects Microsoft Windows Subsystem For Linux. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-57968?
- 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.
- When was CVE-2026-57968 published?
- CVE-2026-57968 was published on 2026-07-14 and last updated on 2026-07-20.
References
Affected products (1)
- cpe:2.3:a:microsoft:windows_subsystem_for_linux:*:*:*:*:*:-:*:*
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