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No exploitation reportedFix available

CVE-2025-26677

No exploitation reported by the sources we read.

  • Published2025-05-13
  • Fixed in10.0.14393.8066
  • WeaknessCWE-400 · CWE-770

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Uncontrolled resource consumption in Remote Desktop Gateway Service allows an unauthorized attacker to deny service over a network.

Timeline

dates in UTC
  1. 2025-05-1317:15CVE publishedNVD

Versions per branch

NVD
Microsoft windows server 2016
BranchAffectedFixed in
10.0< 10.0.14393.806610.0.14393.8066
Microsoft windows server 2019
BranchAffectedFixed in
10.0< 10.0.17763.731410.0.17763.7314
Microsoft windows server 2022
BranchAffectedFixed in
10.0< 10.0.20348.369210.0.20348.3692

2 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA8 products

As microsoft, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Microsoft Windows Server 2016

    platforms: x64-based Systems

    Affected
    • ≥ 10.0.14393.0, < 10.0.14393.8066fixed in 10.0.14393.8066custom
  • Microsoft Windows Server 2016 (Server Core installation)

    platforms: x64-based Systems

    Affected
    • ≥ 10.0.14393.0, < 10.0.14393.8066fixed in 10.0.14393.8066custom
  • Microsoft Windows Server 2019

    platforms: x64-based Systems

    Affected
    • ≥ 10.0.17763.0, < 10.0.17763.7314fixed in 10.0.17763.7314custom
  • Microsoft Windows Server 2019 (Server Core installation)

    platforms: x64-based Systems

    Affected
    • ≥ 10.0.17763.0, < 10.0.17763.7314fixed in 10.0.17763.7314custom
  • Microsoft Windows Server 2022

    platforms: x64-based Systems

    Affected
    • ≥ 10.0.20348.0, < 10.0.20348.3692fixed in 10.0.20348.3692custom
  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)

    platforms: x64-based Systems

    Affected
    • ≥ 10.0.25398.0, < 10.0.25398.1611fixed in 10.0.25398.1611custom

2 more products in the CVE record.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-02-13

Fix

  1. Update Microsoft windows server 2016 to 10.0.14393.8066

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2025-05-13
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-p9jx-jr54-2xq2

Frequently asked questions

What is CVE-2025-26677?

Uncontrolled resource consumption in Remote Desktop Gateway Service allows an unauthorized attacker to deny service over a network.

Is CVE-2025-26677 actively exploited?

Active exploitation of CVE-2025-26677 has not been confirmed. Its EPSS score was 1.8% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-26677?

CVE-2025-26677 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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