Use-after-free in Video in Google Chrome for Windows
CVE-2026-12029 is a high-severity use-after-free vulnerability in the Video component of Google Chrome affecting Windows versions prior to 149.0.7827.115. According to the provided content, a remote attacker could trigger the flaw via a crafted HTML page, but exploitation requires that the attacker has already compromised the renderer process. In that post-compromise state, the memory-safety flaw may be leveraged to escape Chrome’s sandbox. Chromium assigned this issue High severity.
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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.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
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.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A use-after-free vulnerability in the Video component of Google Chrome on Windows that could allow a remote attacker, after compromising the renderer process, to potentially escape the sandbox via a crafted HTML page.
A high-severity use-after-free vulnerability in Chrome Video.
The version that knows your environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.