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Public proof of conceptFix available

CVE-2025-27480

A public proof of concept exists; no exploitation attested.

  • Published2025-04-08
  • WeaknessCWE-416

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

Use after free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.

Timeline

dates in UTC
  1. 2025-04-0818:15CVE publishedNVD

Versions per branch

NVD
Microsoft windows server 2012
BranchAffectedFixed in
—all versionsno fix published
—= r2no fix published
Microsoft windows server 2016
BranchAffectedFixed in
10.0< 10.0.14393.796910.0.14393.7969
Microsoft windows server 2019
BranchAffectedFixed in
10.0< 10.0.17763.713610.0.17763.7136

3 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 CNA12 products

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

  • Microsoft Windows Server 2019

    platforms: x64-based Systems

    Affected
    • ≥ 10.0.17763.0, < 10.0.17763.7136fixed in 10.0.17763.7136custom
  • Microsoft Windows Server 2019 (Server Core installation)

    platforms: x64-based Systems

    Affected
    • ≥ 10.0.17763.0, < 10.0.17763.7136fixed in 10.0.17763.7136custom
  • Microsoft Windows Server 2022

    platforms: x64-based Systems

    Affected
    • ≥ 10.0.20348.0, < 10.0.20348.3453fixed in 10.0.20348.3453custom
  • Microsoft Windows Server 2025 (Server Core installation)

    platforms: x64-based Systems

    Affected
    • ≥ 10.0.26100.0, < 10.0.26100.3775fixed in 10.0.26100.3775custom
  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)

    platforms: x64-based Systems

    Affected
    • ≥ 10.0.25398.0, < 10.0.25398.1551fixed in 10.0.25398.1551custom
  • Microsoft Windows Server 2025

    platforms: x64-based Systems

    Affected
    • ≥ 10.0.26100.0, < 10.0.26100.3775fixed in 10.0.26100.3775custom

6 more products in the CVE record.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2025-06-04

Fix

Advisories and patches

Detection

read 2026-11-01 01:02 UTC
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:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2025-04-08
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-79xr-cjjw-p6f2

Frequently asked questions

What is CVE-2025-27480?

Use after free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.

Is CVE-2025-27480 actively exploited?

Active exploitation of CVE-2025-27480 has not been confirmed. Its EPSS score was 12.6% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-27480?

CVE-2025-27480 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record