CVE-2026-17803

criticalCVSS 9.6covered by 2 sourcesfirst seen 2026-07-14

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: Insufficient validation of untrusted input in Save to Drive.
Who is affected: Chrome users and Microsoft Edge Chromium-based deployments that ingest this component.
Urgency: Unknown severity and exploitation status; details require review of Google Chrome Releases.
Action: Monitor Google Chrome Releases for patch availability and apply Chromium updates to Microsoft Edge.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Low exploitation risk0.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all EPSS-scored CVEs.

Advisory coverage (2)

criticalCVE-2026-17803: Insufficient validation of untrusted input in Save to Drive in Google Chrome prior to 151.0.79…nvd · 2026-07-30
unknownCVE-2026-17803: Chromium: CVE-2026-17803 Insufficient validation of untrusted input in Save to Drivemsrc · 2026-07-14

External references

NVD record for CVE-2026-17803

CVE.org record

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