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CVE-2026-126922 google chrome: Out-of-bounds Read

3.1 lowEPSS 0.2%

Low (3.1) in google chrome. EPSS 0.2% estimated probability of exploitation activity in the next 30 days.

On this page
Out of bounds read in Skia in Google Chrome prior to 157.0.8103.78 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

Severity

CVSS 3.1

3.1 low
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS
0.2% estimated probability of exploitation activity in the next 30 days; 7th 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: partial, 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-125 Out-of-bounds Read
Published
Modified
Assigned by
Chrome (CNA)
NVD analysis
Analyzed
Record from
the NVD, synced

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CVE-2026-126922

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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, 13chromiumno fix listedDEBIAN-CVE-2026-126922
Debian14libskia, chromiumno fix listedDEBIAN-CVE-2026-126922

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 Moderate.

Red Hat's statement

This vulnerability is assessed as having a Moderate severity rather than Important because exploitation requires a pre-existing compromise of the browser's sandboxed renderer process. On Red Hat Enterprise Linux systems where chromium-browser is deployed, default multi-process sandboxing restricts the blast radius of renderer compromises from accessing the underlying operating system. Consequently, an attacker who induces a user to process malicious web content can only leak cross-origin memory within the browser session, without achieving arbitrary host code execution or elevated system privileges.

Red Hat's mitigation

Avoid opening untrusted web pages or untrusted HTML documents in the browser. Ensure that chromium-browser is executed with its built-in sandbox and site isolation active, avoiding command-line options such as `--no-sandbox` or `--disable-site-isolation-trials`.

If chromium-browser is not strictly needed on the system, remove the package to eliminate the attack surface:

```

# dnf remove chromium-browser

```

Caveats: Restricting browser usage to trusted sites relies on operational discipline and may not be feasible in standard web workflows. Removing the package eliminates web browsing capabilities and may affect desktop applications or helper scripts that depend on chromium-browser.

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-2026-126922.

Attack patterns (CAPEC)

  • CAPEC-540 Overread Buffers Likelihood: Low · Severity: High

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

History

  1. Scored 3.1 low
  2. Analyzed by the NVD

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

References

Check your stackJSON