CVE-2026-87590: Improper Input Validation in Google Chrome Prior to 153.0.8010.36 Allows Remote Information Leakage
A NVD · · CVE-2026-87590
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 a remote attacker to potentially exfiltrate sensitive information via crafted network traffic, going beyond typical input validation issues.
Description
CVE-2026-87590 addresses improper input validation in password handling within Google Chrome prior to version 153.0.8010.36. A remote attacker could potentially leak sensitive information via crafted network traffic. The vulnerability was rated as medium severity in the Chromium security assessment. No information on active exploitation or proof-of-concept details is provided in the advisory.
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