Medium (4.4) in microsoft. EPSS 3.0% chance of exploitation in the next 30 days.
A denial of service exists in Microsoft IIS Server when the optional request filtering feature improperly handles requests. An attacker who successfully exploited this vulnerability could perform a temporary denial of service against pages configured to use request filtering.
To exploit this vulnerability, an attacker could send a specially crafted request to a page utilizing request filtering.
The update addresses the vulnerability by changing the way certain requests are processed by the filter.
Severity
CVSS 3.1
4.4 medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
EPSS
3.0% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)