[NEW] [high] Microsoft Edge: Multiple vulnerabilities

highCVE-2026-58281 CVE-2026-58596

A remote, anonymous attacker can exploit multiple vulnerabilities in Microsoft Edge to execute arbitrary code and gain the permissions of an attacked user.

CSIRTS triage

vendor: Microsoft product: Edge Remote code execution

What: Multiple vulnerabilities allow a remote, anonymous attacker to execute arbitrary code and gain user permissions.
Who is affected: Users of Microsoft Edge who are exposed to the vulnerabilities.
Urgency: Remediation is urgent due to the high severity and potential for exploitation by remote attackers.
Action: Update Microsoft Edge to the latest version to address the vulnerabilities.

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

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: high
Published: 2026-07-13
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2291

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-582810.70% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 50% of all scored CVEs.
Low exploitation riskCVE-2026-585960.48% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 39% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-58281	coverage & exploitation status	NVD · CVE.org
CVE-2026-58596	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Microsoft Edge

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

medium[NEW] [medium] Microsoft Edge for Android: Vulnerability allows disclosure and manipulation of filescert-bund · 2026-07-29
unknownMultiple Vulnerabilities in Microsoft Edge (July 29, 2026)cert-fr-avis · 2026-07-29
mediumCVE-2026-62828: Improper input validation in Microsoft Edge for Android allows an unauthorized attacker to per…nvd · 2026-07-28
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