gcdRadar
archive/Patch now/AIR-2025-0500
closedclosed 11 Nov 2025Patch now2 Disclosed vulnerabilityAI

CVE-2025-62453: GitHub Copilot and VS Code Generative AI Output Validation Flaw

GitHub Copilot, Visual Studio Code

Improper validation of generative AI output in GitHub Copilot and Visual Studio Code allows an authorized local attacker to bypass a security feature. No active exploitation has been reported.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

CVSS
5.0
EPSS
<0.01 · top 62% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
11 Nov 2025
last update
11 Nov 2025
CVE ids
CVE-2025-62453other records

Timeline · 1

  1. 11 Nov 2025CVE-2025-62453: Improper validation of generative ai output in GitHub Copilot and Visual Studio Code allows an authorized attacker to bypass a…

Sources · 1

Advisories and databases

  1. 2025-11-11
    CVE-2025-62453: Improper validation of generative ai output in GitHub Copilot and Visual Studio Code allows an authorized attacker to bypass a…
    NVD · nvd.nist.gov/vuln/detail/CVE-2025-62453

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

lane
Patch now
AI role
Attack on AI
categories
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Microsoft, Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
tags
output-validationsecurity-bypass
dates
happened 11 Nov 2025 · first reported 11 Nov 2025
origin
NVD
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.95 · created 2026-10-18 10:04Z · updated 2026-10-18 10:04Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# CVE-2025-62453: GitHub Copilot and VS Code Generative AI Output Validation Flaw

https://gcdradar.vercel.app/incidents/cve-2025-62453-github-copilot-and-vs-code-generative-ai-outp · AIR-2025-0500 · closed 2025-11-11

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2025-11-11
- AI role: Attack on AI
- Products: GitHub Copilot, Visual Studio Code
- CVE ids: CVE-2025-62453
- CVSS: 5

## Summary

Improper validation of generative AI output in GitHub Copilot and Visual Studio Code allows an authorized local attacker to bypass a security feature. No active exploitation has been reported.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2025-11-11: CVE-2025-62453: Improper validation of generative ai output in GitHub Copilot and Visual Studio Code allows an authorized attacker to bypass a… (https://nvd.nist.gov/vuln/detail/CVE-2025-62453)

## Sources

- 2025-11-11 NVD: CVE-2025-62453: Improper validation of generative ai output in GitHub Copilot and Visual Studio Code allows an authorized attacker to bypass a… https://nvd.nist.gov/vuln/detail/CVE-2025-62453

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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