CVE-2026-87564: Type Confusion in V8 in Google Chrome prior to 153.0.8010.36 Allows Remote Memory Read via Crafted HTML Page
A NVD · · CVE-2026-87564
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 type confusion bug in the V8 engine enables memory reading within the Chrome sandbox without full sandbox escape; this represents an active attack vector against browser users.
Description
CVE-2026-87564 is a type confusion bug in the V8 JavaScript engine of Google Chrome (prior to version 153.0.8010.36). An attacker can read memory within the sandbox via a crafted HTML page without escaping it. The Chromium security rating is "High". All Chrome releases before 153.0.8010.36 are affected. The attack requires only user interaction (visiting a malicious website) and could be leveraged for sensitive data disclosure or to support further exploits.
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