SEPTEMBER 20, 2026
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Case File

CVE-2026-66315

HIGH · CVSS 7.5 EPSS 0.34%

Source: NVD + CISA KEV + EPSS · Published 2026-08-04 · Last synced 2026-09-03

CyberRota Analysis

AI-Generated

A use-after-free vulnerability in Microsoft Edge (Chromium-based) allows unauthorized attackers to execute arbitrary code remotely, posing a significant risk to users. Organizations utilizing this browser should prioritize patching to mitigate potential exploitation and protect sensitive data from compromise.

CVE
CVE-2026-66315
Severity
HIGH
CVSS
7.5
EPSS
0.34%
Microsoft

Original NVD Description

Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-91734 HIGH CVE-2026-75624 HIGH CVE-2026-87654 CRITICAL CVE-2026-87653 MEDIUM CVE-2026-87648 HIGH CVE-2026-87644 HIGH