01 Record
CVE-2026-33824
Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability
CriticalKEVPUBLISHEDCNA: microsoft
CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
02 Description
Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2026-08-18. Federal remediation due 2026-08-21.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 77.05% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 99.5% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-09-25.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-04-14 16:58Z6 MO AGO
- Last updated
- 2026-10-15 15:53Z14 DAYS AGO
- Reserved
- 2026-03-24
- Assigning CNA
- microsoft
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- Weaknesses
- CWE-415Double FreeVariant
- Data version
- 5.2
- Document digest
- e1403100f29b09a7542b180fc4a7368fce101262d6d02b623e4771eec188177c
05 Affected products
VendorProductVersionsPlatforms
MicrosoftWindows 10 Version 21H210.0.19044.0 to < 10.0.19044.718432-bit Systems, ARM64-based Systems, x64-based Systems
MicrosoftWindows 10 Version 22H210.0.19045.0 to < 10.0.19045.718432-bit Systems, ARM64-based Systems, x64-based Systems
MicrosoftWindows 11 version 23H210.0.22631.0 to < 10.0.22631.6936ARM64-based Systems, x64-based Systems
MicrosoftWindows 11 Version 24H210.0.26100.0 to < 10.0.26100.8246ARM64-based Systems, x64-based Systems
MicrosoftWindows 11 Version 25H210.0.26200.0 to < 10.0.26200.8246ARM64-based Systems, x64-based Systems
MicrosoftWindows 11 version 26H110.0.28000.0 to < 10.0.28000.1836ARM64-based Systems, x64-based Systems
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0 to < 10.0.14393.9060x64-based Systems
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 to < 10.0.17763.8644x64-based Systems
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0 to < 10.0.25398.2274x64-based Systems
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0 to < 10.0.26100.32690x64-based Systems
06 References
- msrc.microsoft.comWindows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerabilityhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33824
- unit42.paloaltonetworks.comhttps://unit42.paloaltonetworks.com/autonomous-ai-cyber-attack-campaign/
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-33824