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CVE-2023-36400

Windows HMAC Key Derivation Elevation of Privilege Vulnerability

8.8 High

Windows HMAC Key Derivation Elevation of Privilege Vulnerability

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

4.26%Up 4.2 points since Nov 15, 2023
90%50%10%1%

What each source reports

CVE List Score used 8.8

Windows HMAC Key Derivation Elevation of Privilege Vulnerability

Windows HMAC Key Derivation Elevation of Privilege Vulnerability

Record
CVE-2023-36400
CVSS 3.1
8.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
Weakness
CWE-122
Updated
2026-11-02
EUVDEUVD-2023-40366 8.8

Windows HMAC Key Derivation Elevation of Privilege Vulnerability

Record
EUVD-2023-40366
CVSS 3.1
8.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
Updated
2026-11-02
GitHub AdvisoriesGHSA-m23j-24cg-vhc8 8.8

Windows HMAC Key Derivation Elevation of Privilege Vulnerability

Windows HMAC Key Derivation Elevation of Privilege Vulnerability

Record
GHSA-m23j-24cg-vhc8
CVSS 3.1
8.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
NVD 8.8

Windows HMAC Key Derivation Elevation of Privilege Vulnerability

Record
CVE-2023-36400
CVSS 3.1
8.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-122
Updated
2026-11-02

Affected products

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History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-36400 is a high vulnerability (CVSS 8.8) in Microsoft Windows 10 Version 1507, published November 14, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.26%, the 91st percentile. No source names a fixed version.

References

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