Google fixes exploited Chrome XML use-after-free zero-day CVE-2026-125350
Stable builds 157.0.8103.50/.51 close the high-severity bug; Google is withholding details until most users update.
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Vulnerability1 · 1 read
CVE-2026-125343
Sandbox escape via buffer overflow in Chrome Compositing
- CVSS 3.1
- 8.3 high
- EPSS
- —
- Published
- ·
- Modified
AI analysisSummaries by Vani AI
A buffer overflow in Google Chrome's Compositing component, before 157.0.8103.50, lets a remote attacker who has already compromised the renderer process run arbitrary code outside the sandbox. It is triggered with a crafted HTML page. Chrome users on those builds are affected. Related reports describe exploitation in the wild.
What to do: Update Google Chrome to 157.0.8103.50 or later.
| Product | Affected | Fixed in |
|---|---|---|
| Google Chrome | prior to 157.0.8103.50 | 157.0.8103.50 |
Estimated exposure
No basis for an estimate.
Order-of-magnitude estimate by the model from install counts, market share and public scan data it knows; verify before quoting.
Description · NVD
Buffer overflow in Compositing in Google Chrome prior to 157.0.8103.50 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
- Weakness
- CWE-122
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
In the news
2 storiesGoogle patches in-the-wild Chrome XML zero-day CVE-2026-125350
Stable builds 157.0.8103.50 and .51 close nine flaws; Google has not confirmed code execution or named attackers.
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