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High

Use-after-free in Google Chrome Extensions

IdentifiersCVE-2026-11652CWE-416· Use After Free

CVE-2026-11652 is a high-severity use-after-free vulnerability in the Extensions component of Google Chrome. It affects Google Chrome versions prior to 149.0.7827.103. According to the provided content, a remote attacker who has already compromised the renderer process can trigger the flaw via a crafted HTML page and potentially escape Chrome’s sandbox. The issue is classified as CWE-416 and is described by Chromium as a use-after-free condition in Extensions.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation could allow an attacker who already achieved renderer-process compromise to cross a major browser security boundary by escaping the sandbox. This could enable further code execution in a more privileged browser context and may result in compromise of confidentiality, integrity, and availability within the browser environment.

Mitigation

If you can’t patch tonight, do this now.

No specific temporary workaround is provided in the supplied content. The practical mitigation is to apply the available Chrome/Chromium security update promptly. Reducing exposure also depends on preventing initial renderer compromise, since exploitation of this flaw requires that precondition.

Remediation

Patch, then assume compromise.

Upgrade Google Chrome to version 149.0.7827.103 or later. Where Chromium is distributed by downstream vendors, apply the vendor-provided fixed package versions. The provided Debian advisory indicates fixed chromium versions of 149.0.7827.102-1~deb12u1 for Debian oldstable (bookworm) and 149.0.7827.102-1~deb13u1 for Debian stable (trixie).
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
GoogleChromeapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

3 SOURCESView more in app
What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2026-11652
NVD
nvd.nist.gov/vuln/detail/CVE-2026-11652
MITRE CWE · CWE-416
Use After Free
Vendor Advisory
chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html
Permissions Required
issues.chromium.org/issues/513156160