CVE-2026-66798
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 4.3
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C
- EPSS probability
- 0.56%
- CWE
- CWE-416
- Published
- 2026-08-28
- Last modified
- 2026-09-16
Affected products
- Microsoft Microsoft Edge (Chromium-based)
- Microsoft Microsoft Edge (Chromium-based)
- Microsoft Microsoft Edge for Android
- Microsoft Microsoft Edge for iOS
- Microsoft Microsoft Edge for Linux
- Microsoft Microsoft Edge for MAC
- Microsoft Microsoft Edge for Windows
Weakness type
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