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VulnerabilityPublished

CVE-2026-11298: Google Chrome · Insufficient Policy Enforcement

Affects Google ChromeSource CVE Database V5

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Not known to be exploited · CVSS 4.3 Medium : upgrade to 149.0.7827.53 when convenient.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
4.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 5% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 149.0.7827.53
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 Jun 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 30 Oct 2026.

What to do

Upgrade Chrome and google/chrome to 149.0.7827.53.

Affected software

ProductAffectedFixed in
GoogleChromeAffected
  • >=149.0.7827.53 <149.0.7827.53
Fixed in
  • 149.0.7827.53
Googlegoogle/chromepkg:deb/google/chromeOther threatsAffected
  • <149.0.7827.53
Fixed in
  • 149.0.7827.53

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Users should update Google Chrome on iOS to version 149.0.7827.53 or later, where this vulnerability is addressed. Since no official remediation level or patch link is explicitly stated, users should refer to the vendor advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html for the latest update information and confirm that their Chrome version is up to date.

Description

CVE-2026-11298 is a vulnerability in Google Chrome for iOS prior to version 149.0.7827.53 where improper policy enforcement allows a remote attacker to bypass the same origin policy via a crafted HTML page. This issue is classified with medium severity and has a CVSS score of 4.3. No known exploits are reported in the wild. The vulnerability relates to insufficient policy enforcement (CWE-346).

References

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