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High

Use-after-free in Google Chrome Media on Windows

IdentifiersCVE-2026-12013CWE-416· Use After Free

CVE-2026-12013 is a high-severity use-after-free vulnerability in the Media component of Google Chrome affecting Windows versions prior to 149.0.7827.115. The flaw can be triggered by a remote attacker via a crafted HTML page, leading to a use-after-free condition and potential heap corruption in the browser process. Publicly available information does not provide the specific vulnerable function or code path, but the issue is attributed to Chrome's Media component and was reported by independent researcher Henock Habte on 2026-05-18.

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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 can cause heap corruption in Chrome and may result in browser compromise. Available advisories indicate the broader impact of Chromium vulnerabilities may include arbitrary code execution, denial of service, or information disclosure; however, for this specific CVE, the confirmed impact in the provided content is remote-triggerable heap corruption in the browser via crafted HTML content.

Mitigation

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

No specific workaround or temporary mitigation is provided in the supplied content. Practical mitigation is to apply the vendor patch promptly. Until updated, reducing exposure to untrusted web content may lower risk, but this is not a vendor-provided mitigation.

Remediation

Patch, then assume compromise.

Upgrade Google Chrome on Windows to version 149.0.7827.115 or later. For Debian systems using Chromium, apply the vendor security update and upgrade the chromium package to 149.0.7827.114-1~deb12u1 on Debian oldstable (bookworm) or 149.0.7827.114-1~deb13u1 on Debian stable (trixie), as applicable.
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

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

5 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 activity1

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

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2026-12013
NVD
nvd.nist.gov/vuln/detail/CVE-2026-12013
MITRE CWE · CWE-416
Use After Free
Vendor Advisory
chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01962725236.html
Issue Tracking
issues.chromium.org/issues/514229805