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Fencer Intel
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CVE-2026-126889 json

Off-by-one error in V8 in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to potentially execute arbitrary code inside the s…

published 12h ago modified 11h ago also EUVD-2026-124066

cvss
—
not scored
cisa kev
Not listed
not in CISA's catalog
epss
—
no EPSS score yet
public exploits
0
none known

Summary

Off-by-one error in V8 in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-126889 updated cvss 8.8

chromium-browser: chromium-browser: Arbitrary code execution in V8 via crafted HTML page

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Affected products

  • Google Chrome

Classification

Weakness
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.