CVE-2026-57989
Serial Number: AV26-747 Date: July 27 2026 Microsoft security advisory (AV26-747) As of July 26, 2026, Microsoft is affected by vulnerabilities in the following product: Microsoft Edge (Chromium-based) Prior to 150.0.4078.99 The Cyber Centre encourages users and administrators to review the provided web links and apply any necessary updates as they become available. Security Update Guide - Microsoft Security Response Center Security Update Guide - Microsoft Security Response Center (1) Security Update Guide - Microsoft Security Response Center (2) Security Update Guide - Microsoft Security Response Center (3)
CSIRTS triage
- What
- Multiple vulnerabilities have been identified in Microsoft Edge.
- Who is affected
- Users of Microsoft Edge versions prior to 150.0.4078.99.
- Urgency
- Remediation is necessary as vulnerabilities could be exploited.
- Action
- Update Microsoft Edge to version 150.0.4078.99 or later.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.44% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 36% of all EPSS-scored CVEs.
Advisory coverage (6)
- unknownMicrosoft security advisory (AV26-747)cccs · 2026-07-27
- medium[NEW] [medium] Microsoft Edge: Multiple vulnerabilities allow information disclosure and spoofing attackscert-bund · 2026-07-27
- unknownMicrosoft Edge Multiple Vulnerabilitieshkcert · 2026-07-27
- unknownMultiple vulnerabilities in Microsoft Edge (July 27, 2026)cert-fr-avis · 2026-07-27
- highCVE-2026-57989: Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to …nvd · 2026-07-26
- highCVE-2026-57989: Microsoft Edge (Chromium-based) Information Disclosure Vulnerabilitymsrc · 2026-07-14
External references
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