Cyber Resilience

CVE-2023-36406

Medium

Published: 14 November 2023

Published
14 November 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0024 48.1th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-36406 is a medium-severity Improper Input Validation (CWE-20) vulnerability in Microsoft Windows 11 21H2. Its CVSS base score is 5.5 (Medium).

Operationally, ranked at the 48.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Windows Hyper-V Information Disclosure Vulnerability

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

microsoft
windows 11 21h2
≤ 10.0.22000.2600
microsoft
windows 11 22h2
≤ 10.0.22621.2715
microsoft
windows 11 23h2
≤ 10.0.22631.2715
microsoft
windows server 2022
all versions
microsoft
windows server 2022 23h2
≤ 10.0.25398.531

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-20

Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.

addresses: CWE-20

Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.

addresses: CWE-20

Directly implements checks on information inputs to reject invalid data before processing.

addresses: CWE-20

Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.

References