CVE-2026-87636: Type Confusion in XML in Google Chrome Prior to 153.0.8010.36 Allows Arbitrary Code Execution in Sandbox
A NVD · · CVE-2026-87636
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 enables sandbox escape via XML type confusion, potentially allowing code execution with elevated privileges upon successful exploitation.
Description
CVE-2026-87636 is a type confusion vulnerability in XML processing in Google Chrome prior to version 153.0.8010.36. A remote attacker can exploit this vulnerability through a crafted HTML page to potentially execute arbitrary code within the Chrome sandbox. The vulnerability is rated as Medium severity by Google. There is currently no evidence of active exploitation in the wild.
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