PT-2025-28584 · Microsoft · Windows Tcp/Ip+1

Marat Gayanov · Published 2025-04-15 · Updated 2025-08-18 · CVE-2025-49686

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Windows TCP/IP (affected versions not specified)

Description: The issue is related to a null pointer dereference in Windows TCP/IP, which allows an authorized attacker to elevate privileges locally. This means an attacker with existing access to the system can potentially gain higher-level privileges, posing a significant security risk.

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

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2025-04862

CVE-2025-49686

Affected Products

Windows

Windows Tcp/Ip

References · 9

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49686 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-49686 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-49686 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-49686 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-49686 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-04862 · Security Note
• https://safe.cnews.ru/news/line/2025-07-09_positive_technologies_pomogla_ustranit · Note
• https://t.me/avleonovcom/1561 · Telegram Post
• https://twitter.com/CVEnew/status/1942958471768404297 · Twitter Post