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CVE-2026-119262high8.8

Improper input validation in V8 in Google Chrome prior to 156.0.8078.79 allowed a remote attacker to potentially execute arbitrary code inside the sandbox…

Impact

Google Chrome versions prior to 156.0.8078.79 have an improper input validation weakness in V8, potentially allowing a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. The severity is rated as High.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Google · Chrome

Chrome

1 range
Chrome version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

156.0.8078.79 → before 156.0.8078.79

custom versions

unaffected

unknown

Other versions: unknown

Original source description

Improper input validation in V8 in Google Chrome prior to 156.0.8078.79 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-119262

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-20 ↗

Improper input validation

Chrome

Related →
Contributing organizations · 2
Chrome

Assigning organization

2026-10-30
CISA-ADP

Additional data publisher

2026-10-30

What changed

Follow changes
  1. CVE · CVE-2026-119262

    Observed 2026-10-30T14:53:22.577Z · upstream updated 2026-10-30T13:16:44.168Z

    Severity assessment changed

    before

    []

    after

    [
  {
    "source": "CISA-ADP",
    "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "score": 8.8
  }
]
    Prioritization updated

    before

    []

    after

    [
  {
    "source": "CISA-ADP",
    "type": "SSVC",
    "role": "CISA Coordinator",
    "timestamp": "2026-10-30T13:14:38.986891Z",
    "decisions": [
      {
        "name": "Exploitation",
        "value": "none"
      },
      {
        "name": "Automatable",
        "value": "no"
      },
      {
        "name": "Technical Impact",
        "value": "total"
      }
    ]
  }
]

Large field values are marked as truncated previews. Original source snapshots remain retained.

Showing up to 50 most recent observed changes.

References

2 sources
chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02107719452.html
Source referenceChrome
issues.chromium.org/issues/574660146
Source referenceChrome