ReviewHigh

CVE-2026-54981

Microsoft Python extension for Visual Studio Code, python, visual studio code

Inclusion of functionality from untrusted control sphere in Visual Studio Code - Python extension allows an unauthorized attacker to bypass a security feature locally.

CVSS
7.8
EPSS
-
- percentile
CISA KEV
Not listed
Published
2026.08.12
PRIORITY ASSESSMENT

Review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.8

Vulnerability overview

Inclusion of functionality from untrusted control sphere in Visual Studio Code - Python extension allows an unauthorized attacker to bypass a security feature locally.

Affected product and versions

Product
Microsoft Python extension for Visual Studio Code, python, visual studio code
Affected versions
>= 2020 < 2026.3.1
Fixed versions
Verify the fixed release separately for each affected product line

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Microsoft Python extension for Visual Studio Code, python, visual studio code and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
CWE-693, CWE-829
CVE-2026-54981 — Microsoft Python extension for Visual Studio Code, python, visual studio code | SECUFOCUS NOW