PT-2025-1088 · Microsoft · Windows

George Hughey · Published 2025-01-14 · Updated 2025-01-14 · CVE-2025-21276

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Windows (affected versions not specified)

Description The issue is related to a denial-of-service vulnerability in the MapUrlToZone method of the IInternetSecurityManager interface in Microsoft Windows operating systems. This vulnerability is caused by integer overflow, which can be exploited by a remote attacker to cause a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Protection Mechanism Failure

Integer Underflow

Weakness Enumeration

CWE-693

CWE-191

Related Identifiers

BDU:2025-00324

CVE-2025-21276

Affected Products

Windows

References · 7

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21276 · Security Note
• https://osv.dev/vulnerability/CVE-2025-21276 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-00324 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21276 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-21276 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-21276 · Vendor Advisory
• https://learn.microsoft.com/en-us/previous-versions/windows/internet-explorer/ie-developer/platform-apis/ms537130(v=vs.85) · Note