Skip to content
Vulnerability Intelligence

CVE-2026-11645

HighExploitedPublic exploit

Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

Published Jun 8, 2026 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2026-11645, EUVD-2026-35245, GHSA-x2hh-w9mw-3vq2

Key Facts

Patch immediately
  • CVE-2026-11645 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Chrome (Google), Edge Chromium (Microsoft), qt6-qtwebengine (alpine) and 2 more products.
  • It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 8, 2026. Public exploit code is available.
  • EPSS estimates a 2.4% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Chrome 149.0.7827.103, chromedriver 149.0.7827.102-1.1, chromedriver 149.0.7827.102-bp160.1.1.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

8.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

2.4%

Higher than 84.0% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2026-11645 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CISA KEVJun 9, 2026Jun 23, 2026Not reported
Industry KEV feedJun 8, 2026Jun 23, 2026Not reported
CIRCL KEVJun 9, 2026Jun 23, 2026Not reported
ENISA EUVDJun 9, 2026n/aNot reported

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Affected Products

23 affected entries in total
ProductAffected versionsFixed in
ChromeGoogle>= 149.0.7827.103149.0.7827.103
Edge ChromiumMicrosoftSee advisoryn/a
qt6-qtwebenginealpineSee advisory6.11.1-r3
chromiumchainguardSee advisory149.0.7827.102-r0
chromedriversuseSee advisory149.0.7827.102-bp160.1.1

Patched Releases

Chrome

149.0.7827.103

chromedriver

149.0.7827.102-1.1, 149.0.7827.102-bp160.1.1

chromium

149.0.7827.102-1, 149.0.7827.102-1.1, 149.0.7827.102-1~deb12u1, 149.0.7827.102-1~deb13u1, 149.0.7827.102-bp160.1.1, 149.0.7827.102-r0

qt6-qtwebengine

6.11.1-r3

Timeline

  1. Publicly disclosed

    Jun 8, 2026

  2. Added to Industry KEV feed

    Jun 8, 2026

  3. Added to CISA KEV

    Jun 9, 2026

  4. Added to CIRCL KEV

    Jun 9, 2026

  5. Added to ENISA EUVD

    Jun 9, 2026

  6. Last updated

    Aug 4, 2026

Weakness Type

  • CWE-125 Out-of-bounds Read
  • CWE-787 Out-of-bounds Write

References

3 more references in the full CVE brief

FAQ

Common Questions.

Is CVE-2026-11645 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.

Request A Demo