CVE-2026-11645: Out of bounds memory access in V8

Published Apr 27, 2026
·
Updated

Chromium: CVE-2026-11645 Out of bounds memory access in V8

Other sources

Google Chromium V8 out-of-bounds read and write vulnerability that could allow a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

CISA

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)

NVD

This CVE was assigned by Chrome.  Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

Microsoft

Credit

303f06e3

Affected Software

9 affected componentsFixes available
Google Google Chrome<149.0.7827.103
Google Chrome<149.0.7827.102
149.0.7827.102
Google Chromium V8
Microsoft Edge<149.0.4022.62
All of the following
Google Chrome<149.0.7827.103
Any of the following
Apple macOS
Linux Linux kernel
Microsoft Windows
Microsoft Edge (Chromium-based)<149.0.4022.62
149.0.4022.62

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 149.0.7827.102
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 149.0.4022.62
  3. Upgrade

    Upgrade Google Chrome (Chromium) to a version that resolves this vulnerability.

    Fixed in 149.0.7827.103

Event History

Apr 27, 2026
CVE Published
12:00 AM
Known Exploited
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Jun 8, 2026
CVE Published
via MITRE·11:27 PM
Data Sourced
via MITRE·11:27 PM
DescriptionWeakness
Jun 9, 2026
Data Sourced
via CISA·12:00 AM
RemedyDescriptionAffected Software
Data Sourced
via NVD·12:16 AM
DescriptionSeverityWeaknessAffected Software
News Published
via BleepingComputer·06:56 AM
News Published
via BleepingComputer·06:59 AM
Jun 16, 2026
Data Sourced
via Microsoft·02:13 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:13 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-11645?

CVE-2026-11645 has a high severity rating of 8.8 according to the CVSS 3.1 scoring system.

2

How do I fix CVE-2026-11645?

To fix CVE-2026-11645, apply mitigations as per the vendor's instructions and follow any applicable guidance for cloud services.

3

What software is affected by CVE-2026-11645?

CVE-2026-11645 affects Google Chrome and any browsers using the Chromium platform.

4

Can CVE-2026-11645 lead to remote code execution?

Yes, CVE-2026-11645 can allow a remote attacker to execute arbitrary code inside a sandbox through a crafted HTML page.

5

Is CVE-2026-11645 currently being exploited?

Yes, CVE-2026-11645 is flagged as currently exploited in the wild.

Contact

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