CVE-2026-13993

mediumCVSS 4.2covered by 2 sourcesfirst seen 2026-06-30

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: Incorrect security UI in WebAppInstalls is present.
Who is affected: Users of Microsoft Edge (Chromium-based) that use WebAppInstalls.
Urgency: Remediation urgency is unclear due to unknown severity.
Action: Refer to Google Chrome Releases for more information.

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

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Exploitation outlook

Low exploitation risk0.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all EPSS-scored CVEs.

Advisory coverage (2)

unknownCVE-2026-13993: Chromium: CVE-2026-13993 Incorrect security UI in WebAppInstallsmsrc · 2026-07-02
mediumCVE-2026-13993: Incorrect security UI in WebAppInstalls in Google Chrome prior to 150.0.7871.47 allowed a remo…nvd · 2026-06-30

External references

NVD record for CVE-2026-13993

CVE.org record

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