CVE-2025-21264 | Visual Studio Code Security Feature Bypass Vulnerability

Files or directories accessible to external parties in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.

Published: 2025-05-13 Last update: 2025-05-19 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-21264 is rated Moderate Risk (54.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.86%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-21264

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-07 1.20% 0.86% -0.34%
2 2026-03-20 0.87% 1.20% +0.32%
3 2026-03-09 0.87%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-21264

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.1 3.1 HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
1.8 4.7 [email protected]

Weakness enumeration for CVE-2025-21264

Affected software / configurations for CVE-2025-21264

Vendor Product Version Raw CPE
microsoft visual_studio_code < 1.100.1 cpe:2.3:a:microsoft:visual_studio_code:*:*:*:*:*:*:*:*

References for CVE-2025-21264

cvelogic Threat Intelligence