CVE-2026-87613: Incorrect Reference Resolution in Google Chrome Extensions Prior to 153.0.8010.36 Allows Remote Code Execution Outside Sandbox
A NVD · · CVE-2026-87613
Admiralty grading (A–F · 1–6)
Source reliability
- A Completely reliable
- B Usually reliable
- C Fairly reliable
- D Not usually reliable
- E Unreliable
- F Cannot be judged
Information credibility
- 1 Confirmed
- 2 Probably true
- 3 Possibly true
- 4 Doubtful
- 5 Improbable
- 6 Cannot be judged
NATO Admiralty (AJP-2.1) grades confidence, independent of the risk score. Cross-source corroboration isn't tracked for non-CVE news, so single-source items are capped at a lower credibility number; a low number does not imply low quality.
Key metrics
- EPSS
- 0%
Key insight
A sandbox-escape vulnerability in Chrome extensions enables remote code execution with elevated privileges beyond normal capability, significantly increasing infection risk from malicious web content.
Description
CVE-2026-87613 affects improper reference resolution in the extension system of Google Chrome prior to version 153.0.8010.36. The vulnerability allows remote attackers to execute arbitrary code outside the Chrome sandbox via crafted network traffic. This constitutes a sandbox escape with potential for system-wide compromise. The Chromium security team classifies the risk as Medium, though production environments with heavy Chrome usage may face higher practical impact. Current exploitation status is not documented.
Risk score
- cvss base
- 0.00
- kev bonus
- 0.00
- epss bonus
- 0.00
- poc bonus
- 0.00
- raw before weight
- 0.00
- industry weight
- 1.21
- freshness factor
- 1.00
- exploitability factor
- 1.00
- days old
- 0.00
- vendor mismatch penalty
- 0.00
Path: operational