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CVE-2026-126886 google chrome: Use After Free

8.8 highEPSS 0.3%

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 Frames in Google Chrome 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

CVSS 3.1

8.8 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.3% estimated probability of exploitation activity in the next 30 days; 27th 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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CVE-2026-126886

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Affected

Versions

From the CNA's record in the CVE List.

ProductAffected
Google Chromefrom 157.0.8103.78 before 157.0.8103.78

Fix and patched versions

Linux distributions

DistributionReleasePackageFixed inAdvisory
Debian12, 13, 14chromiumno fix listedDEBIAN-CVE-2026-126886

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.

Red Hat's statement

This vulnerability is rated as Important rather than Critical because exploitation is confined to the browser sandbox and depends on user interaction to render untrusted web content. A remote attacker could leverage crafted frame structures to corrupt memory and execute arbitrary code within the sandboxed rendering process. Because breaching the host operating system would require chaining this flaw with a distinct sandbox escape, the immediate impact on Red Hat Enterprise Linux desktop deployments remains restricted.

Red Hat's mitigation

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-2026-126886.

History

  1. Scored 8.8 high
  2. Analyzed by the NVD

Changes since this site first stored the record. The same for every record: /api/public/changes.

References

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