CVSS 3.1
8.8 highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HCVE-2026-126861 google chrome: Use After Free
High (8.8) in google chrome. EPSS 0.3% estimated probability of exploitation activity in the next 30 days.
On this page
Use after free in Media in Google Chrome on on Android prior to 157.0.8103.78 allowed a remote attacker to execute arbitrary code inside 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; 23rd 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
- Analyzed
- Record from
- the NVD, synced
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Badge for a README or a site
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HTML:
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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 |
Fix and patched versions
- Vendor advisory: https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop_01744469280.html
Linux distributions
| Distribution | Release | Package | Fixed in | Advisory |
|---|---|---|---|---|
| Debian | 12, 13, 14 | chromium | no fix listed | DEBIAN-CVE-2026-126861 |
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 Important severity because an unauthenticated remote attacker could compromise the application process by enticing a user into opening malicious web content. Although execution is confined within the browser's sandbox environment, the ability to trigger remote code execution without privileges elevates the severity above Moderate. In typical Red Hat Enterprise Linux installations, chromium-browser is an optional desktop utility rather than an always-on system service, restricting the blast radius to the unprivileged interactive session of the browsing user.
Operational controls can reduce the risk of exploitation:
1. Restrict browser usage to trusted internal applications and avoid processing media from untrusted external sources.
2. Ensure the built-in browser sandbox remains active and is never bypassed with command-line flags.
3. If web browsing functionality is not required on the system, remove the chromium-browser package to eliminate exposure.
Caveats:
These operational measures reduce exposure to untrusted content but do not eliminate the underlying memory corruption issue if a malicious page is visited.
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-2026-126861.
History
- Scored 8.8 high
- Analyzed by the NVD
Changes since this site first stored the record. The same for every record: /api/public/changes.