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High

Use-after-free in Google Chrome Dawn WebGPU

IdentifiersCVE-2025-10500CWE-416· Use After Free

CVE-2025-10500 is a high-severity use-after-free vulnerability in Google Chrome's Dawn component, the browser's WebGPU graphics abstraction layer. The flaw affects Chrome versions prior to 140.0.7339.185 on Linux and prior to 140.0.7339.185/.186 on Windows and Mac. According to the provided content, the issue is caused by improper memory management in Dawn, where memory can be freed and later accessed through dangling pointers during certain WebGPU operations. A remote attacker can trigger the vulnerable code path via a crafted HTML page, leading to heap corruption and potentially arbitrary code execution within the browser context.

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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 the Chrome renderer/browser process handling the vulnerable Dawn WebGPU operations. The provided content states this may potentially allow arbitrary code execution. At minimum, the flaw can compromise browser integrity and availability, and depending on exploit reliability and sandbox escape chaining, could contribute to broader browser compromise.

Mitigation

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

No specific workaround is provided in the content. The primary mitigation is prompt upgrade to a fixed version. Where operationally feasible, reducing exposure by disabling or restricting WebGPU can lower attack surface because the content indicates vulnerable exposure is limited to systems with WebGPU enabled. Standard browser hardening measures such as limiting access to untrusted sites may reduce likelihood of exploitation but are not substitutes for patching.

Remediation

Patch, then assume compromise.

Update Google Chrome to version 140.0.7339.185 or later on Linux, and to version 140.0.7339.185/.186 or later on Windows and Mac, as these releases contain Google's fix for the Dawn memory-management flaw. For downstream Chromium-based products, apply the vendor-provided fixed release that incorporates the Chromium patch. The provided content also notes Palo Alto Networks Prisma Browser should be upgraded to version 141.6.4.55 or later.
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

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 activity4

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

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2025-10500
NVD
nvd.nist.gov/vuln/detail/CVE-2025-10500
MITRE CWE · CWE-416
Use After Free
Vendor Advisory
chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_17.html
Issue Tracking
issues.chromium.org/issues/435875050