CVE-2026-84326: Uninitialized resource in V8

Q: Who is exposed to this vulnerability?

Users of Google Chrome versions earlier than 152.0.7977.75 are exposed when they visit or render a crafted HTML page. The described code execution is limited to the browser sandbox.

Q: What does an attacker need to exploit it?

The attacker needs to cause the target to process a crafted HTML page remotely. The available information does not identify any additional prerequisites, such as local access or authentication.

Q: How can I determine whether a system is affected?

Check the installed Google Chrome version. Versions prior to 152.0.7977.75 are affected according to the advisory.

Published Aug 17, 2026

Updated

Chromium: CVE-2026-84326 Uninitialized resource 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

Uninitialized resource in V8 in Google Chrome prior to 152.0.7977.75 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

— MITRE

Credit

Jihyeon Jeong (Compsec Lab, Seoul National University / Research Intern)

Affected Software

5 affected componentsFixes available

Google Chrome<152.0.7977.75

152.0.7977.75

Google Chrome<152.0.7977.75

Microsoft Edge (Chromium-based)<152.0.4191.62

152.0.4191.62

Microsoft Edge<152.0.4191.62

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 152.0.7977.75
Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 152.0.4191.62
Upgrade
Upgrade Chromium / Google Chrome to a version that resolves this vulnerability.
Fixed in 152.0.7977.75

Event History

Aug 17, 2026

CVE Published

12:00 AM

Data Sourced

12:00 AM

SeverityWeaknessAffected Software

Sep 1, 2026

CVE Published

via MITRE·11:42 PM

Data Sourced

via MITRE·11:42 PM

DescriptionWeakness

Sep 2, 2026

Data Sourced

via NVD·12:18 AM

DescriptionSeverityWeaknessAffected Software

Sep 3, 2026

Data Sourced

via Microsoft·11:58 PM

DescriptionSeverityWeaknessAffected Software

Updated

via Microsoft·11:58 PM

DescriptionAffected Software

Sep 8, 2026

Updated

via Microsoft·02:00 PM

DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

2797494227028422527

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

Who is exposed to this vulnerability?

Users of Google Chrome versions earlier than 152.0.7977.75 are exposed when they visit or render a crafted HTML page. The described code execution is limited to the browser sandbox.

What does an attacker need to exploit it?

The attacker needs to cause the target to process a crafted HTML page remotely. The available information does not identify any additional prerequisites, such as local access or authentication.

How can I determine whether a system is affected?

Check the installed Google Chrome version. Versions prior to 152.0.7977.75 are affected according to the advisory.

CVE-2026-84326: Uninitialized resource in V8

Other sources

Credit

Affected Software

Remediation

Event History

Parent advisories

Peer vulnerabilities

Frequently Asked Questions

Who is exposed to this vulnerability?

What does an attacker need to exploit it?

How can I determine whether a system is affected?

Company

Resources

Contact