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8.3
CVE-2026-58596: Microsoft Edge (Chromium-based) Privilege Hike Risk
CVE-2026-58596
CVE-2026-58596
Summary
An unauthorized attacker can gain more access to your network by exploiting a weakness in Microsoft Edge (Chromium-based). This could allow them to do more harm to your system and data. Update your Microsoft Edge to the latest version to protect against this risk.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| microsoft | microsoft edge (chromium-based) | < 150.0.4078.48 |
| microsoft | edge_chromium |
< 150.0.4078.48 cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:-:*:*:* |
Original title
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
Original description
Untrusted pointer dereference in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.
mitre CVSS3.1
8.3
Vulnerability type
CWE-822
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58596 vendor-advisory patch
Published: 12 Jul 2026 · Updated: 16 Jul 2026 · First seen: 12 Jul 2026