CVE-2026-113142: 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 2026-11-11 15:49 UTC. Rebuilt every few hours from cve-scores, CISA KEV and vedas-signatures. How this works and its limits.
What it is
Incorrect authorization in Extensions in Google Chrome prior to 156.0.8078.47 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to bypass site isolation via a crafted Chrome extension. (Chromium security severity: Medium)
Description quoted from the CVE record (assigned by Chrome, published 2026-10-20).
Weakness: Incorrect authorization
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 none, availability none. CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CISA assessment (SSVC): CISA assesses that a public proof of concept exists. Automatable: no. Technical impact: partial.
Public exploit evidence (Exploit Observer)
Exploit Observer has not indexed exploit code for this CVE, but the CVE record links exploit code (see the references below). Check Exploit Observer for more.
Live scores
- EPSS
- 0.003
low predicted chance of attack - VEDAS
- 0.973
strong exploit evidence - On CISA KEV
- Not listed
- Detection rule
- No public rule yet
Who is affected
| Product | Affected | Not affected |
|---|---|---|
| Google Chrome | from 156.0.8078.47 before 156.0.8078.47 | 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: 156.0.8078.47.
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
References
Exploit code
Other references
- https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html
- https://issues.chromium.org/issues/498733953
Other databases
Where this comes from
This advisory is generated automatically by VEDAS from: CVE.org record, cve-scores (EPSS and VEDAS), Exploit Observer. 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.
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