CVE-2026-118331: Google Chrome vulnerability
Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.
Generated by VEDAS. Scores as of 2026-11-01 19:19 UTC. Rebuilt every few hours from cve-scores, CISA KEV and vedas-signatures. How this works and its limits.
What it is
Improper input validation in FileAPI in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
Description quoted from the CVE record (assigned by Chrome, published 2026-10-27).
Weakness: Improper input validation
How it can be exploited
Exploitable over the network with low attack complexity needing no privileges and a user must take an action. Impact: confidentiality high, integrity high, availability high. CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA assessment (SSVC): CISA has no evidence of exploitation. Automatable: no. Technical impact: total.
Public exploit evidence (Exploit Observer)
Exploit Observer evidence for this CVE has not been fetched yet.
Live scores
- EPSS
- 0.003
low predicted chance of attack - VEDAS
- 0.832
some exploit evidence - On CISA KEV
- Not listed
- Detection rule
- None yet
Who is affected
| Product | Affected | Not affected |
|---|---|---|
| Google Chrome | from 156.0.8078.73 before 156.0.8078.73 | Not stated |
Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.
How to fix it
Fixed versions stated in the CVE record: 156.0.8078.73.
How to detect it
There is no open VEDAS detection rule for this bug yet. It is listed on the detection gaps page if CISA has confirmed attacks.
Advisories on this CVE
- Google Chrome 156: five Critical memory bugs in two updates (CVE-2026-118306, CVE-2026-118331, CVE-2026-118348, CVE-2026-118344, CVE-2026-76024) (full advisory)
- Google Chrome 156: four Critical memory bugs, then a fifth two days later (CVE-2026-118306, CVE-2026-118331, CVE-2026-118348, CVE-2026-118344, CVE-2026-76024) (29 Oct 2026)
References
Other references
- https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_0562499947.html
- https://issues.chromium.org/issues/572193211
Other databases
Where this comes from
This advisory is generated automatically by VEDAS from: CVE.org record, cve-scores (EPSS and VEDAS). Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.