CVE-2026-19138: CVE-2026-19138 Heap buffer overflow in CrashReporting
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
CSIRTS triage
- What
- Heap buffer overflow in CrashReporting inherited from Chromium addresses this vulnerability.
- Who is affected
- Microsoft Edge users running versions that incorporate upstream Chromium patches.
- Urgency
- Severity unknown; refer to Google Chrome release notes for details and timeline.
- Action
- Update Microsoft Edge to the latest version that includes Chromium patches.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-19138
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-191380.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-19138 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- high[NEW] [high] Google Chrome: Multiple vulnerabilitiescert-bund
- unknownMultiple vulnerabilities in Microsoft Edge (August 12, 2026)cert-fr-avis
- unknownDSA-6422-1 chromium - security updatedebian
- unknownGoogle Chrome Multiple Vulnerabilitieshkcert
- unknownMultiple vulnerabilities in Google Chrome (August 07, 2026)cert-fr-avis
- highCVE-2026-19138: Heap buffer overflow in CrashReporting in Google Chrome prior to 151.0.7922.109 allowed a remo…nvd