Cyber Resilience

CVE-2023-21726

Microsoft Windows 10 1809

Published
10 January 2023
Modified
21 November 2024
CVSS Score v3.1 7.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0048 39th percentile
Risk Priority 57 floored blend · peak EPSS

Summary

CVE-2023-21726 is a high-severity Storing Passwords in a Recoverable Format (CWE-257) vulnerability in Microsoft Windows 10 1809. Its CVSS base score is 7.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Group Policy Preferences (T1552.006); ranked at the 39th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

Windows Credential Manager User Interface Elevation of Privilege Vulnerability

CWE(s)

Related Threats

MITRE ATT&CK Enterprise Techniques

T1552.006 Group Policy Preferences Credential Access
Adversaries may attempt to find unsecured credentials in Group Policy Preferences (GPP).
T1552 Unsecured Credentials Credential Access
Adversaries may search compromised systems to find and obtain insecurely stored credentials.
T1552.001 Credentials In Files Credential Access
Adversaries may search local file systems and remote file shares for files containing insecurely stored credentials.
T1552.002 Credentials in Registry Credential Access
Adversaries may search the Registry on compromised systems for insecurely stored credentials.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-21548Same product: Microsoft Windows 10 1607
CVE-2023-21546Same product: Microsoft Windows 10 1607
CVE-2023-21535Same product: Microsoft Windows 10 1607
CVE-2023-21527Same product: Microsoft Windows 10 1607
CVE-2023-21747Same product: Microsoft Windows 10 1607
CVE-2023-21773Same product: Microsoft Windows 10 1607
CVE-2023-21681Same product: Microsoft Windows 10 1607
CVE-2023-21730Same product: Microsoft Windows 10 1607
CVE-2023-21772Same product: Microsoft Windows 10 1607
CVE-2023-21557Same product: Microsoft Windows 10 1607

Affected Assets

microsoft
windows 10 1607
all versions
microsoft
windows 10 1809
all versions
microsoft
windows 10 20h2
all versions
microsoft
windows 10 21h2
all versions
microsoft
windows 10 22h2
all versions
microsoft
windows 11 21h2
all versions
microsoft
windows 11 22h2
all versions
microsoft
windows 7
all versions
microsoft
windows 8.1
all versions
microsoft
windows rt 8.1
all versions
+5 more product configuration(s) — see NVD for full list

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

Detect
Catch it (NIST detect / respond)

Harden
Shrink the surface (DISA STIG)

Validate
Prove the fix (OWASP ASVS)
  • V11.4.2
  • V11.4.4

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.DS-01 mostly match
prevents

Protecting data-at-rest with cryptographic hashes directly prevents recoverable password storage.

PR.PS-06 partial match
prevents

Secure SDLC practices include requirements for non-recoverable password storage.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

degrades

Directly requires secure handling and protection of authentication information, preventing storage in recoverable formats.

degrades

Mandates secure authentication mechanisms that preclude recoverable password storage.

degrades

Requires proper use of cryptography, which can mitigate recoverable storage if applied correctly to passwords.

prevents

Secure SDLC includes requirements that reduce the likelihood of introducing recoverable password storage.

prevents

Secure coding practices can prevent developers from implementing recoverable password storage.

References