CVE-2026-54981
CVE-2026-54981 is a high-severity vulnerability in Microsoft Python 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-693.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- EPSS exploit prediction: 0% (37th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-693
- Affected product: Microsoft Python
- Published:
- Last modified:
Description
Inclusion of functionality from untrusted control sphere in Visual Studio Code - Python extension allows an unauthorized attacker to bypass a security feature locally.
Frequently asked questions
- What is CVE-2026-54981?
- Inclusion of functionality from untrusted control sphere in Visual Studio Code - Python extension allows an unauthorized attacker to bypass a security feature locally.
- How severe is CVE-2026-54981?
- CVE-2026-54981 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-54981 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-54981?
- CVE-2026-54981 affects Microsoft Python. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-54981?
- 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-2026-54981 published?
- CVE-2026-54981 was published on 2026-08-11 and last updated on 2026-08-22.
References
Affected products (1)
- cpe:2.3:a:microsoft:python:-:*:*:*:*:visual_studio_code:*:*
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- CVE-2026-2761 — Critical (CVSS 10.0): Sandbox escape in the Graphics: WebRender component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33,…
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