CVEs / CVE-2026-125350
CVE-2026-125350: Google Chromium Use-After-Free Vulnerability
- Known exploited in the CISA KEV catalog since 10 Nov 2026
- high 8.8 CVSS 3.1 (from the CNA)
- EPSS 0.96% chance of exploitation in the next 30 days, higher than 62% of CVEs (11 Nov 2026)
- Last changed at its sources
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Summary
Google Chromium contains a use-after-free vulnerability in the XML component that could allow a remote attacker to execute arbitrary code inside the sandbox via a specially crafted webpage. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Description
Use after free in XML in Google Chrome prior to 157.0.8103.50 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Google Chrome | from 157.0.8103.50, before 157.0.8103.50 | 157.0.8103.50 |
Exploitation
| In CISA KEV since | 10 Nov 2026 |
|---|---|
| Due date for US federal agencies | 24 Nov 2026 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. |
Severity
| CVSS 3.1 | 8.8 highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HScored by the CNA (134c704f-9b21-4f2e-91b3-4a467353bcc0) |
|---|---|
| Weakness | CWE-416 |
References
- CVE-2026-125350 on NVD
- CVE-2026-125350 in the CISA KEV catalog
- https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop_018223192.html (cited by CISA)
- https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk (cited by CISA)
- https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk (cited by CISA)
- https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop_018223192.html Release Notes, Vendor Advisory
- https://issues.chromium.org/issues/582442907 Permissions Required
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-125350 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.