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ExploitedIn CISA KEVFix available

CVE-2026-125350

Exploitation confirmed. First attested on 2026-11-10 by CISA-ADP, CISA KEV.

  • Published2026-11-10
  • Fixed in157.0.8103.50
  • WeaknessCWE-416

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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)

Timeline

dates in UTC
  1. 2026-11-10Listed as exploited by GCVEGCVE
  2. 2026-11-10Reported as exploited by ENISA (EUVD)ENISA EUVD
  3. 2026-11-10Exploitation first reportedENISA EUVD
  4. 2026-11-10Added to the CISA KEV catalogCISA KEV
  5. 2026-11-1017:20CVE publishedCNA
  6. 2026-11-1018:17CVE publishedNVD
  7. 2026-11-1019:50SSVC exploitation set to activeCISA-ADP

Versions per branch

NVD
Google chrome
BranchAffectedFixed in
157.0< 157.0.8103.50157.0.8103.50

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As Chrome, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Google Chrome
    Affected
    • ≥ 157.0.8103.50, < 157.0.8103.50fixed in 157.0.8103.50custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-10

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • chromiumEchoall versions · no fixed version listed
  • chromiumDebian:14all versions · no fixed version listed
  • chromiumDebian:13all versions · no fixed version listed
  • chromiumDebian:12all versions · no fixed version listed

Full record on NVD

Fix

  1. Update Google chrome to 157.0.8103.50
  2. CISA’s 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.due 2026-11-24

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2026-11-10
Patch Due Date
2026-11-24
Ransomware Use
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.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2026-11-10
Last Modified
2026-11-10
NVD status
Analyzed
GitHub Advisory
GHSA-rm6p-3338-xx33

Frequently asked questions

What is CVE-2026-125350?

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)

Is CVE-2026-125350 actively exploited?

Yes. CVE-2026-125350 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-11-24.

What is the CVSS score for CVE-2026-125350?

CVE-2026-125350 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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Sources for this record