CVE-2026-126883
A NVD · · CVE-2026-126883
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
Beyond the patch information, the report only shows the potential for sandbox escape after renderer compromise; there are no indications of active exploitation.
Description
CVE-2026-126883 affects a use-after-free vulnerability in Core of Google Chrome on Windows in versions prior to 157.0.8103.78. An attacker who has already compromised the renderer process can execute arbitrary code outside the sandbox via a crafted HTML page. Chromium rates the security severity as High. The NVD entry does not state any indications of active exploitation. The vulnerability requires prior renderer compromise, so exploitation typically occurs within an attack chain.
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