CVE-2026-58596: Untrusted pointer dereference in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.

highCVSS 8.3CVE-2026-58596

Untrusted pointer dereference in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: high — CVSS 8.3
Published: 2026-07-12
Last updated: 2026-07-14
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-58596

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-2026-585960.48% 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-2026-58596	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

unknownMultiple vulnerabilities in Microsoft Edge (July 15, 2026)cert-fr-avis
highCVE-2026-58596: Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerabilitymsrc
high[NEW] [high] Microsoft Edge: Multiple vulnerabilitiescert-bund

Recent advisories for Untrusted pointer dereference

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.

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