CVE-2023-36434
CRITICALCVSS 9.8/10EPSS 2.19%
Last modified
CVE-2023-36434 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Windows IIS Server Elevation of Privilege Vulnerability. EPSS estimates a 2.19% chance of exploitation in the next 30 days.
Description
Windows IIS Server Elevation of Privilege Vulnerability
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 | Update |
|---|---|---|---|
| Microsoft | Windows 10 1507 | < 10.0.10240.20232 | — |
| Microsoft | Windows 10 1607 | < 10.0.14393.6351 | — |
| Microsoft | Windows 10 1809 | < 10.0.17763.4974 | — |
| Microsoft | Windows 10 21h2 | < 10.0.19041.3570 | — |
| Microsoft | Windows 10 22h2 | < 10.0.19041.3570 | — |
| Microsoft | Windows 11 21h2 | < 10.0.22000.2538 | — |
| Microsoft | Windows 11 22h2 | < 10.0.22621.2428 | — |
| Microsoft | Windows Server 2008 | All versions | Sp2 |
| Microsoft | Windows Server 2008 | r2 | Sp1 |
| Microsoft | Windows Server 2012 | All versions | — |
| Microsoft | Windows Server 2012 | r2 | — |
| Microsoft | Windows Server 2016 | All versions | — |
| Microsoft | Windows Server 2019 | All versions | — |
| Microsoft | Windows Server 2022 | All versions | — |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36434Patch, Vendor Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36434Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-36434?
Windows IIS Server Elevation of Privilege Vulnerability
How severe is CVE-2023-36434?
CVE-2023-36434 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.19% probability of exploitation in the next 30 days.
How do I fix CVE-2023-36434?
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 2023
- CVE-2023-36427Windows Hyper-V Elevation of Privilege Vulnerability7
- CVE-2023-36428Microsoft Local Security Authority Subsystem Service Informa…5.5
- CVE-2023-36429Microsoft Dynamics 365 (On-Premises) Information Disclosure …6.5
- CVE-2023-3643A vulnerability was found in Boss Mini 1.4.0 Build 6221. It …9.8
- CVE-2023-36431Microsoft Message Queuing (MSMQ) Denial of Service Vulnerabi…7.5
- CVE-2023-36433Microsoft Dynamics 365 (On-Premises) Information Disclosure …6.5
- CVE-2023-36435Microsoft QUIC Denial of Service Vulnerability7.5
- CVE-2023-36436Windows MSHTML Platform Remote Code Execution Vulnerability7.8
- CVE-2023-36437Azure DevOps Server Remote Code Execution Vulnerability8.8
- CVE-2023-36438Windows TCP/IP Information Disclosure Vulnerability7.5
- CVE-2023-36439Microsoft Exchange Server Remote Code Execution Vulnerabilit…8
- CVE-2023-3644A vulnerability was found in SourceCodester Service Provider…9.8
Are you affected by CVE-2023-36434?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST