CVE-2026-57977: Microsoft Edge (Chromium-based) Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
Other sources
Microsoft Edge (Chromium-based) Spoofing Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 150.0.4078.48
Event History
Frequently Asked Questions
What is the severity of CVE-2026-57977?
The severity of CVE-2026-57977 is rated high with a score of 7.1.
How do I fix CVE-2026-57977?
To fix CVE-2026-57977, update Microsoft Edge (Chromium-based) to the latest version provided by Microsoft.
What does CVE-2026-57977 affect?
CVE-2026-57977 affects Microsoft Edge, specifically the Chromium-based versions.
What type of vulnerability is CVE-2026-57977?
CVE-2026-57977 is a spoofing vulnerability related to improper input neutralization in web page generation.
Can CVE-2026-57977 lead to data loss?
CVE-2026-57977 does not directly allow for data loss but could enable unauthorized spoofing that may compromise user trust.