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No exploitation reported

CVE-2026-118339

No exploitation reported by the sources we read.

  • Published2026-10-27
  • WeaknessCWE-416

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Use after free in Animation in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Timeline

dates in UTC
  1. 2026-10-2723:17CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-28 15:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-118339?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-118339?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-118339 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionnone2026-10-28
  • OpenCVESSVC decisionnone—
  • CISA-ADPCVSS 3.18.8read 2026-10-28
  • CNAweakness (CWE)CWE-416read 2026-10-28
  • NVDweakness (CWE)CWE-416read 2026-10-28

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2026-10-27
Last Modified
2026-10-28
NVD status
Undergoing Analysis

Frequently asked questions

What is CVE-2026-118339?

Use after free in Animation in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Is CVE-2026-118339 actively exploited?

Active exploitation of CVE-2026-118339 has not been confirmed.

What is the CVSS score for CVE-2026-118339?

CVE-2026-118339 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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