Microsoft Internet Explorer 9 through 11 and Microsoft Edge misparse HTTP responses, which allows remote attackers to spoof web sites via a crafted URL, aka "Microsoft Browser Spoofing Vulnerability."
Severity
CVSS 3.0
4.3 medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS
9.7% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)