CVE-2026-87578 Use After Free in Google Chrome Prior to 153.0.8010.36 Allows Arbitrary Code Execution Outside Sandbox
A NVD · · CVE-2026-87578
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 attackers with network access to bypass Chrome's sandbox and execute arbitrary code on affected systems , a significant risk for all browser users.
Description
CVE-2026-87578 is a use-after-free vulnerability in the Receiver component of Google Chrome prior to version 153.0.8010.36. An adjacent attacker can execute arbitrary code outside the sandbox environment via crafted network packets. This represents a critical security risk because the sandbox normally prevents browser exploits from spreading to the entire system. The vulnerability is classified as high severity by the Chromium project and should be remediated promptly through an update.
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