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Use-after-free in Google Chrome Autofill

IdentifiersCVE-2026-13038CWE-416

CVE-2026-13038 is a critical use-after-free vulnerability in the Autofill subsystem of Google Chrome. The issue affects Chrome on Windows prior to version 149.0.7827.197. Autofill handles stored form data, including saved addresses and payment card details. According to the provided content, a remote attacker can trigger the flaw via a crafted HTML page, leading to arbitrary code execution. The bug was found internally by Google on June 13–14, 2026.

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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 allow a remote attacker to execute arbitrary code on an affected Windows system in the context of the Chrome process after a user visits a maliciously crafted HTML page. Given the affected component, exploitation may also place sensitive browser-handled data in scope, although the provided content specifically attributes arbitrary code execution as the primary impact.

Mitigation

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

Apply the security update immediately. Until patching is complete, reduce exposure by limiting use of untrusted websites and web content, especially where users may be induced to open attacker-controlled HTML pages. The provided content does not list a vendor-supported workaround other than updating.

Remediation

Patch, then assume compromise.

Upgrade Google Chrome on Windows to version 149.0.7827.197 or later. For Chromium downstream distributions, apply the vendor-provided patched release; the provided Debian advisory references chromium 149.0.7827.196-1~deb13u1 or later patched versions. Enterprise administrators should ensure all Chromium-based browsers in their environment receive the corresponding upstream fixes.
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
DebianChromiumapplication
GoogleChromeapplication

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

ACTIVITY FEED

Recent activity

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

7 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 activity2

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

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2026-13038
NVD
nvd.nist.gov/vuln/detail/CVE-2026-13038
MITRE CWE · CWE-416
cwe.mitre.org