CVE-2026-33824: Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability

Published Apr 14, 2026
·
Updated

Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.

Other sources

Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability

Microsoft

Affected Software

50 affected componentsFixes available
Microsoft Windows 10 1607<10.0.14393.9060
Microsoft Windows 10 1607<10.0.14393.9060
Microsoft Windows 10 1809<10.0.17763.8644
Microsoft Windows 10 1809<10.0.17763.8644
Microsoft Windows 10 21h2<10.0.19044.7184
Microsoft Windows 10 21h2<10.0.19044.7184
Microsoft Windows 10 21h2<10.0.19044.7184
Microsoft Windows 10 22h2<10.0.19045.7184
Microsoft Windows 10 22h2<10.0.19045.7184
Microsoft Windows 10 22h2<10.0.19045.7184
Microsoft Windows 11 23h2<10.0.22631.6936
Microsoft Windows 11 23h2<10.0.22631.6936
Microsoft Windows 11 24h2<10.0.26100.8246
Microsoft Windows 11 24h2<10.0.26100.8246
Microsoft Windows 11 25h2<10.0.26200.8246
Microsoft Windows 11 25h2<10.0.26200.8246
Microsoft Windows 11 26h1<10.0.28000.1836
Microsoft Windows 11 26h1<10.0.28000.1836
Microsoft Windows Server 2016<10.0.14393.9060
Microsoft Windows Server 2019<10.0.17763.8644
Microsoft Windows Server 2022<10.0.20348.5020
Microsoft Windows Server 2022 23h2<10.0.25398.2274
Microsoft Windows Server 2025<10.0.26100.32690
Microsoft Windows 11=26H1
10.0.28000.1836
Microsoft Windows 10=1607
10.0.14393.9060
Microsoft Windows Server 2016<10.0.14393.9060
10.0.14393.9060
Microsoft Windows 11=26H1
10.0.28000.1836
Microsoft Windows 11=24H2
10.0.26100.8246
Microsoft Windows 11=24H2
10.0.26100.8246
Microsoft Windows 11=23H2
10.0.22631.6936
Microsoft Windows 10=1607
10.0.14393.9060
Microsoft Windows Server 2016<10.0.14393.9060
10.0.14393.9060
Microsoft Windows Server 2025<10.0.26100.32690
10.0.26100.32690
Microsoft Windows 11=23H2
10.0.22631.6936
Microsoft Windows 11=25H2
10.0.26200.8246
Microsoft Windows Server 2025<10.0.26100.32690
10.0.26100.32690
Microsoft Windows 11=25H2
10.0.26200.8246
Microsoft Windows Server 2022, 23H2 Edition<10.0.25398.2274
10.0.25398.2274
Microsoft Windows 10=22H2
10.0.19045.7184
Microsoft Windows 10=22H2
10.0.19045.7184
Microsoft Windows 10=21H2
10.0.19044.7184
Microsoft Windows 10=21H2
10.0.19044.7184
Microsoft Windows 10=22H2
10.0.19045.7184
Microsoft Windows Server 2019<10.0.17763.8644
10.0.17763.8644
Microsoft Windows 10=21H2
10.0.19044.7184
Microsoft Windows Server 2022<10.0.20348.5020
10.0.20348.5020
Microsoft Windows Server 2019<10.0.17763.8644
10.0.17763.8644
Microsoft Windows 10=1809
10.0.17763.8644
Microsoft Windows Server 2022<10.0.20348.5020
10.0.20348.5020
Microsoft Windows 10=1809
10.0.17763.8644

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 10.0.28000.1836Patch KB5083768
  2. Upgrade

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

    Fixed in 10.0.14393.9060Patch KB5082198
  3. Upgrade

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

    Fixed in 10.0.26100.8246Patch KB5083769
  4. Upgrade

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

    Fixed in 10.0.22631.6936Patch KB5082052
  5. Upgrade

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

    Fixed in 10.0.26100.32690Patch KB5082063
  6. Upgrade

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

    Fixed in 10.0.26200.8246Patch KB5083769
  7. Upgrade

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

    Fixed in 10.0.25398.2274Patch KB5082060
  8. Upgrade

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

    Fixed in 10.0.19045.7184Patch KB5082200
  9. Upgrade

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

    Fixed in 10.0.19044.7184Patch KB5082200
  10. Upgrade

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

    Fixed in 10.0.17763.8644Patch KB5082123
  11. Upgrade

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

    Fixed in 10.0.20348.5020Patch KB5082142

Event History

Apr 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
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·04:58 PM
Data Sourced
via MITRE·04:58 PM
DescriptionSeverity
Data Sourced
via NVD·06:17 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-33824?

The severity of CVE-2026-33824 is considered critical due to its potential for remote code execution.

2

How do I fix CVE-2026-33824?

To fix CVE-2026-33824, you must apply the corresponding security patches from Microsoft for the affected software.

3

What products are affected by CVE-2026-33824?

CVE-2026-33824 affects several Microsoft products including Windows Server 2016, Windows 10, and Windows 11 in specific versions.

4

Can CVE-2026-33824 be exploited remotely?

Yes, CVE-2026-33824 can be exploited remotely by an unauthorized attacker to execute code over a network.

5

What is the impact of exploiting CVE-2026-33824?

Exploitation of CVE-2026-33824 can lead to unauthorized control over affected systems, potentially causing data breaches or system integrity issues.

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