CVSS 3.1
9.6 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HCVE-2026-126909 google chrome: Use After Free
Critical (9.6) in google chrome. EPSS 0.3% estimated probability of exploitation activity in the next 30 days.
On this page
Use after free in Passwords in Google Chrome prior to 157.0.8103.78 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Severity
- EPSS
- 0.3% estimated probability of exploitation activity in the next 30 days; 24th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
- CISA's assessment (SSVC)
- Exploitation: none · Automatable: no · Technical impact: total, assessed 2026-11-12. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
- CWE
- CWE-416 Use After Free
- Published
- Modified
- Assigned by
- Chrome (CNA)
- NVD analysis
- Under analysis
- Record from
- the NVD, synced
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Affected
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| Google Chrome | from 157.0.8103.78 before 157.0.8103.78 |
Linux distributions
| Distribution | Release | Package | Fixed in | Advisory |
|---|---|---|---|---|
| Debian | 12, 13, 14 | chromium | no fix listed | DEBIAN-CVE-2026-126909 |
From the distributions' data via OSV.dev: the Debian Security Tracker. Modified: reformatted and linked to CVE records. Credits. On the distributions' own pages: Debian.
Red Hat
Red Hat rates this Important.
This vulnerability is rated as an Important severity flaw because successful exploitation allows an attacker to bypass browser sandbox restrictions and achieve arbitrary code execution on the underlying client host. However, this risk is categorized as Important rather than Critical because exploitation is not autonomous and requires user interaction, specifically convincing a user through social engineering tactics to browse to an untrusted, malicious web page. Red Hat Enterprise Linux systems deployed in typical headless server configurations without graphical browser sessions installed are unaffected by this attack vector.
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Contains Red Hat Security Data © Red Hat, Inc., licensed under CC BY 4.0. Source: https://access.redhat.com/security/data. Modified: reformatted. Red Hat's page for CVE-2026-126909.
History
- Scored 9.6 critical
Changes since this site first stored the record. The same for every record: /api/public/changes.