PT-2025-20938 · Microsoft · Remote Desktop Gateway Service+1

K0Shl + 1 · Published 2025-05-13 · Updated 2026-03-16 · CVE-2025-26677

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: Remote Desktop Gateway Service (affected versions not specified)

Description: The issue is related to uncontrolled resource consumption in the Remote Desktop Gateway Service, allowing an unauthorized attacker to deny service over a network. This can halt enterprise remote access.

Recommendations: Apply Microsoft's update KB5050009. As a temporary workaround, consider restricting access to the Remote Desktop Gateway Service to minimize the risk of exploitation.

Fix

DoS

Resource Exhaustion

Allocation of Resources Without Limits

Weakness Enumeration

CWE-400

CWE-770

Related Identifiers

BDU:2025-05672

CVE-2025-26677

Affected Products

Remote Desktop Gateway Service

Windows

References · 14

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-26677 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-26677 · Security Note
• https://osv.dev/vulnerability/CVE-2025-26677 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-05672 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26677 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/721011 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-26677 · Vendor Advisory
• https://t.me/CSIRT_italia/3260 · Telegram Post
• https://twitter.com/windowsforum/status/1922665018144792778 · Twitter Post
• https://twitter.com/ZeroPathLabs/status/1922349646359187796 · Twitter Post
• https://twitter.com/dailytechonx/status/1922713523517313438 · Twitter Post
• https://t.me/cvenotify/122009 · Telegram Post
• https://twitter.com/CVEnew/status/1922339813770068424 · Twitter Post
• https://reddit.com/r/pwnhub/comments/1kmgiq2/critical_windows_remote_desktop_gateway · Reddit Post