Use-after-free in Google Chrome Autofill on Mac
CVE-2026-12020 is a high-severity use-after-free vulnerability in the Autofill component of Google Chrome affecting Mac systems prior to version 149.0.7827.115. According to the provided content, a remote attacker can trigger the flaw by causing a target to load a crafted HTML page. The memory-safety error can result in heap corruption during Autofill-related processing, creating conditions that may be exploitable for browser compromise. Specific vulnerable functions or code paths were not provided in the available information.
Are you exposed to this one?
Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.
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 high-severity use-after-free vulnerability in Google Chrome Autofill on Mac that could allow a remote attacker to potentially trigger heap corruption via a crafted HTML page.
A high-severity use-after-free vulnerability in Chrome Autofill.
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.