CVE-2026-17807: Use after free in V8

Published May 26, 2026
·
Updated

Chromium: CVE-2026-17807 Use after free in V8

Other sources

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

Use after free in V8 in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)

— NVD

Credit

Google

Affected Software

4 affected componentsFixes available
Google Chrome<151.0.7922.72
Google Chrome<151.0.7922.71
151.0.7922.71
Microsoft Edge (Chromium-based)<151.0.4129.59
151.0.4129.59
Microsoft Edge<151.0.4129.59

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 151.0.7922.71
  2. Upgrade

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

    Fixed in 151.0.4129.59
  3. Upgrade

    Upgrade Chromium (V8) to a version that resolves this vulnerability.

    Fixed in 151.0.7922.72

Event History

May 26, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Jul 30, 2026
CVE Published
via MITRE·12:19 AM
Data Sourced
via MITRE·12:19 AM
DescriptionWeakness
Data Sourced
via NVD·01:16 AM
DescriptionSeverityWeakness
Jul 31, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-17807?

CVE-2026-17807 has a severity score of 8.8, indicating a high risk level.

2

How do I fix CVE-2026-17807?

To fix CVE-2026-17807, update Google Chrome or Microsoft Edge to the latest version, as the issue has been patched in versions 151.0.7922.72 and later.

3

What type of vulnerability is CVE-2026-17807?

CVE-2026-17807 is categorized as a 'Use After Free' vulnerability in the V8 JavaScript engine.

4

Which products are affected by CVE-2026-17807?

CVE-2026-17807 affects Google Chrome prior to version 151.0.7922.72 and Microsoft Edge (Chromium-based) that uses the affected Chromium component.

5

What impact does CVE-2026-17807 have?

The impact of CVE-2026-17807 includes potential remote code execution due to improper memory management in V8.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203