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CVE-2026-126862VulnerabilityPublished

Core · Improper Input Validation

Source GCVE Database

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Authoritative record:CVE-2026-126862· High

Not known to be exploited : upgrade to 157.0.8103.78 soon.

Data as of 12 Nov 2026, 02:06 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in 157.0.8103.78

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 11 Nov 2026.

What to do

Upgrade Chrome to 157.0.8103.78.

Affected software

ProductAffectedFixed in
GoogleChromeAffected
  • >=157.0.8103.78 <157.0.8103.78
Fixed in
  • 157.0.8103.78

AI-suggested

If you cannot patch yet, users should exercise caution with co-installed apps and avoid installing untrusted applications that could exploit this vulnerability.

Description

An improper input validation vulnerability in the Core component of Google Chrome on Android versions prior to 157.0.8103.78 allows a local attacker to bypass the web origin policy via a co-installed app. This vulnerability has been assigned a high security severity by Chromium.

References

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