CVE-2026-57977
An attacker can exploit multiple vulnerabilities in Microsoft Edge to gain elevated privileges, execute arbitrary code, bypass security measures, conduct spoofing and cross-site scripting attacks, disclose sensitive information, or trigger a denial-of-service condition.
CSIRTS triage
- What
- An attacker can exploit multiple vulnerabilities in Microsoft Edge to gain elevated privileges, execute arbitrary code, bypass security measures, conduct spoofing and cross-site scripting attacks, disclose sensitive information, or trigger a denial-of-service condition.
- Who is affected
- Users of Microsoft Edge across various deployments.
- Urgency
- Remediation is high urgency due to the wide range of potential impacts.
- Action
- Update Microsoft Edge to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch CVE-2026-57977
Get an email if CVE-2026-57977 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Low exploitation risk0.40% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 32% of all EPSS-scored CVEs.
Advisory coverage (3)
- high[NEW] [high] Microsoft Edge: Multiple vulnerabilitiescert-bund · 2026-07-09
- highCVE-2026-57977: Improper neutralization of input during web page generation ('cross-site scripting') in Micros…nvd · 2026-07-03
- highCVE-2026-57977: Microsoft Edge (Chromium-based) Spoofing Vulnerabilitymsrc · 2026-07-02
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2026-57977)