CVE-2023-36606 | Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability

Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability

Published: 2023-10-10 Last update: 2024-12-12 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-36606 is rated High Risk (69.2/100): CVSS High severity, with high exploitation likelihood (EPSS 49.77%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +19.14% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-36606

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-21 30.63% 49.77% +19.14%
2 2025-11-18 49.77% 30.63% -19.14%
3 2025-04-15 49.77%

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-36606

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 3.6 [email protected]

Weakness enumeration for CVE-2023-36606

Affected software / configurations for CVE-2023-36606

Vendor Product Version Raw CPE
microsoft windows_10 < 10.0.10240.20232 cpe:2.3:o:microsoft:windows_10:*:*:*:*:*:*:*:*
microsoft windows_10_1607 < 10.0.14393.6351 cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*
microsoft windows_10_1809 < 10.0.17763.4974 cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*
microsoft windows_10_21h2 < 10.0.19041.3570 cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*
microsoft windows_10_22h2 < 10.0.19045.3570 cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*
microsoft windows_11_21h2 < 10.0.22000.2538 cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:arm64:*
microsoft windows_11_21h2 < 10.0.22000.2538 cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:x64:*
microsoft windows_11_22h2 < 10.0.22621.2428 cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:arm64:*
microsoft windows_11_22h2 < 10.0.22621.2428 cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:x64:*
microsoft windows_server_2008 cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
microsoft windows_server_2008 r2 cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
microsoft windows_server_2012 cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
microsoft windows_server_2012 r2 cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
microsoft windows_server_2016 cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
microsoft windows_server_2019 cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
microsoft windows_server_2022 cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*

References for CVE-2023-36606

cvelogic Threat Intelligence