CVE-2026-17856
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
- Inappropriate implementation in Network component.
- Who is affected
- Users of Microsoft Edge (Chromium-based) on all platforms.
- Urgency
- Low to moderate; implementation flaws may allow network-level attacks depending on exposure.
- Action
- Update Microsoft Edge to the latest version that includes the Chromium patch for CVE-2026-17856.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.28% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all EPSS-scored CVEs.
Advisory coverage (2)
- criticalCVE-2026-17856: Inappropriate implementation in Network in Google Chrome on Mac prior to 151.0.7922.72 allowed…nvd · 2026-07-30
- unknownCVE-2026-17856: Chromium: CVE-2026-17856 Inappropriate implementation in Networkmsrc · 2026-07-14
External references
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[](https://www.csirts.com/cve/CVE-2026-17856)