CVE-2026-33824
CRITICALCVSS 9.8/10EPSS 55.85%
Last modified
CVE-2026-33824 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.. EPSS estimates a 55.85% chance of exploitation in the next 30 days.
Description
Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 1607 | < 10.0.14393.9060 |
| Microsoft | Windows 10 1809 | < 10.0.17763.8644 |
| Microsoft | Windows 10 21h2 | < 10.0.19044.7184 |
| Microsoft | Windows 10 22h2 | < 10.0.19045.7184 |
| Microsoft | Windows 11 23h2 | < 10.0.22631.6936 |
| Microsoft | Windows 11 24h2 | < 10.0.26100.8246 |
| Microsoft | Windows 11 25h2 | < 10.0.26200.8246 |
| 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 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-33824?
Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.
How severe is CVE-2026-33824?
CVE-2026-33824 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 55.85% probability of exploitation in the next 30 days.
How do I fix CVE-2026-33824?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-33817Rejected reason: CVE confirmed to be a false positive
- CVE-2026-33819Deserialization of untrusted data in Microsoft Bing allows a…9.8
- CVE-2026-3382A security flaw has been discovered in ChaiScript up to 6.1.…5.5
- CVE-2026-33821Improper privilege management in Microsoft Dynamics 365 Cust…9.9
- CVE-2026-33822Out-of-bounds read in Microsoft Office Word allows an unauth…6.1
- CVE-2026-33823Improper authorization in Microsoft Teams allows an authoriz…6.5
- CVE-2026-33825Insufficient granularity of access control in Microsoft Defe…7.8
- CVE-2026-33826Improper input validation in Windows Active Directory allows…8
- CVE-2026-33827Concurrent execution using shared resource with improper syn…8.1
- CVE-2026-33828Trust boundary violation in Windows Attestation allows an au…7.8
- CVE-2026-33829Exposure of sensitive information to an unauthorized actor i…4.3
- CVE-2026-3383A weakness has been identified in ChaiScript up to 6.1.0. Th…5.5
Are you affected by CVE-2026-33824?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST