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CVE-2025-13721VulnerabilityPublished Updated

CVE-2025-13721: Google Chrome · Race

Affects Google ChromeSource CVE Database V5

0

Not known to be exploited · CVSS 7.5 High · fixed in 143.0.7499.41 : patch Google Chrome soon.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 15% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 143.0.7499.41
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 Dec 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
Google ChromeAffected
  • =143.0.7499.41
Fixed in–

AI-suggested

Organizations and users should immediately update Google Chrome to version 143.0.7499.41 or later, where this vulnerability is patched. Beyond patching, network defenses should be enhanced to detect and block access to known malicious websites and phishing domains that could host exploit pages. Employing web filtering and DNS security solutions can reduce exposure. User awareness training should emphasize the risks of interacting with untrusted links or websites. Deploying endpoint protection solutions capable of detecting anomalous browser behavior or heap corruption attempts can provide additional defense layers. For high-security environments, consider restricting or sandboxing browser processes and limiting JavaScript execution where feasible. Continuous monitoring of threat intelligence feeds for emerging exploit code or attack campaigns related to this CVE is recommended. Incident response plans should be updated to include detection and remediation steps for potential exploitation of this vulnerability.

Description

Race in v8 in Google Chrome prior to 143.0.7499.41 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)

References

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