CVE-2026-58626: Windows Remote Desktop Services Remote Code Execution Vulnerability

Published Jul 14, 2026
·
Updated

Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over a network.

Other sources

Windows Remote Desktop Services Remote Code Execution Vulnerability

Microsoft

Affected Software

30 affected componentsFixes available
Microsoft Windows Remote Desktop Services
Microsoft Windows 11=24H2
10.0.26100.8875
Microsoft Windows 11=26H1
10.0.28000.2525
Microsoft Windows Server 2025<10.0.26100.33158
10.0.26100.33158
Microsoft Windows 11=26H1
10.0.28000.2525
Microsoft Windows 11=24H2
10.0.26100.8875
Microsoft Windows 10=22H2
10.0.19045.7548
Microsoft Windows Server 2025<10.0.26100.33158
10.0.26100.33158
Microsoft Windows 10=21H2
10.0.19044.7548
Microsoft Windows 10=21H2
10.0.19044.7548
Microsoft Windows 10=22H2
10.0.19045.7548
Microsoft Windows 10=22H2
10.0.19045.7548
Microsoft Windows 10=21H2
10.0.19044.7548
Microsoft Windows Server 2022<10.0.20348.5386
10.0.20348.5386
Microsoft Windows 10 21h2<10.0.19044.7548
Microsoft Windows 10 21h2<10.0.19044.7548
Microsoft Windows 10 21h2<10.0.19044.7548
Microsoft Windows 10 22h2<10.0.19045.7548
Microsoft Windows 10 22h2<10.0.19045.7548
Microsoft Windows 10 22h2<10.0.19045.7548
Microsoft Windows 11 24h2<10.0.26100.8875
Microsoft Windows 11 24h2<10.0.26100.8875
Microsoft Windows 11 25h2<10.0.26200.8875
Microsoft Windows 11 25h2<10.0.26200.8875
Microsoft Windows 11 26h1<10.0.28000.2269
Microsoft Windows 11 26h1<10.0.28000.2269
Microsoft Windows Server 2022<10.0.20348.5386
Microsoft Windows Server 2025<10.0.26100.33158
Microsoft Windows 11=25H2
10.0.26200.8875
Microsoft Windows 11=25H2
10.0.26200.8875

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.26100.8875Patch KB5101650
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.28000.2525Patch KB5101649
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.26100.33158Patch KB5099536
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.19045.7548Patch KB5099539
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.19044.7548Patch KB5099539
  6. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.20348.5386Patch KB5099540
  7. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.26200.8875Patch KB5101650

Event History

Jul 14, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:10 PM
Data Sourced
via MITRE·05:10 PM
DescriptionSeverity
Data Sourced
via NVD·06:18 PM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-58626?

CVE-2026-58626 has a high severity rating of 8.8.

2

How do I fix CVE-2026-58626?

To mitigate CVE-2026-58626, apply the latest security updates provided by Microsoft for your operating system.

3

What impact does CVE-2026-58626 have on my system?

CVE-2026-58626 allows an attacker to execute remote code on systems using Windows Remote Desktop Services.

4

Which versions of Windows are affected by CVE-2026-58626?

CVE-2026-58626 affects Microsoft Windows 10, Windows 11, Windows Server 2022, and Windows Server 2025.

5

What type of vulnerability is CVE-2026-58626?

CVE-2026-58626 is a Use After Free vulnerability in Windows Remote Desktop Services.

Contact

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