CVE-2026-87455: Use-After-Free in Google Chrome Aura Prior to 153.0.8010.36 Allows Arbitrary Code Execution Outside Sandbox
A NVD · · CVE-2026-87455
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 use-after-free vulnerability in the Aura component allows a remote attacker to execute code outside the browser sandbox, bypassing Chrome's isolation mechanisms.
Description
CVE-2026-87455 affects a use-after-free vulnerability in the Aura component of Google Chrome prior to version 153.0.8010.36. The vulnerability could allow a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. This represents a bypass of sandbox security and is rated by Chromium as medium severity. It is unclear whether the vulnerability is currently being exploited 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