CVE-2026-87582: Confused Deputy Vulnerability in Google Chrome Prior to 153.0.8010.36 Allows Sandbox Escape
A NVD · · CVE-2026-87582
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
The vulnerability allows an attacker with control over the renderer process to execute code outside Chrome's sandbox, bypassing browser-based exploit mitigations.
Description
CVE-2026-87582 is a confused deputy vulnerability in the DataTransfer component of Google Chrome prior to version 153.0.8010.36. A remote attacker who has compromised the renderer process can execute arbitrary code outside the browser sandbox via a crafted HTML page. Chromium security rates this as Medium severity. The vulnerability represents a sandbox escape and could be leveraged as an exit vector following successful renderer compromise.
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