Vulnerability · Published Jul 17, 2026 · Assigned by microsoft
CVE-2026-57980Microsoft Edge (Chromium-based) Tampering Vulnerability
Medium 5.4
In plain English
A medium-severity authentication bypass in Microsoft Edge (Chromium-based) from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.4%top 66.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Authentication bypass using an alternate path or channel in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform tampering over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Edge (Chromium-based) | 1.0.0.0 – before 150.0.4078.80 |
Weakness: CWE-288 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C
References
- Microsoft Edge (Chromium-based) Tampering Vulnerability vendor-advisory, patch