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Vulnerabilities

Vulnerability · CVE-2026-4439

Out of bounds memory access in WebGL in Google Chrome on Android prior to 146.0.7680.153 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

Published Mar 20, 2026 · catalog updated Jun 17, 2026 · google chrome

Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.4%
Remediation
Advisory link
Affected products
cpe google/chrome

Out of bounds memory access in WebGL in Google Chrome on Android prior to 146.0.7680.153 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

Technical analysis

Mechanism and impact are interpreted from ingested advisories — not independent exploit research.

  • CWE classification

    Out-of-bounds Read · Out-of-bounds Write

  • Prerequisites and impact

    Follow the original vendor advisory for access prerequisites and impact. This catalog does not invent exploit conditions.

How to fix CVE-2026-4439

What to do

Three reads of the same public record: the decision, the versions on file, and the signals. Confirm the vendor advisory before you patch. This page does not publish exploit steps.

Executive

This is a public record, not a confirmed incident. CVE-2026-4439 is a high issue in google chrome (CVSS 8.8). CISA does not currently list it as known exploited. Next step: Compare installed versions with the linked vendor advisory before changing production.

System administrator

Check whether google chrome is installed. Ranges on record: google/chrome. Compare installed versions with the linked vendor advisory before changing production.

Security analyst

CVSS 8.8. EPSS 0.4%. CISA does not currently list it as known exploited. Weaknesses: CWE-125, CWE-787. Sources: cve_org, epss, nvd. Exploit links, when listed below, point at the original publisher.

Related intelligence

  • Exploitation evidence

    Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 20, 2026 · NIST NVD

    Detected

    Out of bounds memory access in WebGL in Google Chrome on Android prior to 146.0.7680.153 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

  2. Jun 17, 2026 · NIST NVD

    Updated

    Out of bounds memory access in WebGL in Google Chrome on Android prior to 146.0.7680.153 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

Affected versions

Enter an installed version to get a verified affected / not-affected result against the ranges below.

  • cpe google/chromeversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-4439

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-4439

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDVulnerability recordCVE-2026-4439

    Out of bounds memory access in WebGL in Google Chrome on Android prior to 146.0.7680.153 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.