VulnerabilityModified
CVE-2022-34721
Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability
CRITICAL 9.8EPSS 76.2%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 76.2%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
Description
Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 76.24% probability · 100th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- microsoft/windows 10 · microsoft/windows 11 · microsoft/windows 7 · microsoft/windows 8.1 · microsoft/windows rt 8.1 · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows server 2019 · microsoft/windows server 2022
- Source
- secure@microsoft.com
EPSS moved from 76.1% on 25 September 2026 to 76.2% on 3 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.