CVE-2026-55144: CWE-325: Missing Cryptographic Step in Microsoft Windows 11 Version 24H2
Missing cryptographic step in Windows CryptoAPI allows an authorized attacker to perform tampering locally.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-55144 and categorized under CWE-325 (Missing Cryptographic Step), affects Windows 11 Version 24H2 (build 10.0.26100.0). It involves a missing cryptographic step in the Windows CryptoAPI, which could enable an authorized local attacker to perform tampering. The CVSS v3.1 vector indicates low attack complexity and privileges required, no user interaction, and high impact on confidentiality and integrity. Microsoft has published an official fix for this issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to tamper with cryptographic operations, potentially compromising the confidentiality and integrity of sensitive data. There is no indication of impact on availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 11 Version 24H2 (build 10.0.26100.0) as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55144.
CVE-2026-55144: CWE-325: Missing Cryptographic Step in Microsoft Windows 11 Version 24H2
Description
Missing cryptographic step in Windows CryptoAPI allows an authorized attacker to perform tampering locally.
CVSS v3.1
Score 7.1high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-55144 and categorized under CWE-325 (Missing Cryptographic Step), affects Windows 11 Version 24H2 (build 10.0.26100.0). It involves a missing cryptographic step in the Windows CryptoAPI, which could enable an authorized local attacker to perform tampering. The CVSS v3.1 vector indicates low attack complexity and privileges required, no user interaction, and high impact on confidentiality and integrity. Microsoft has published an official fix for this issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to tamper with cryptographic operations, potentially compromising the confidentiality and integrity of sensitive data. There is no indication of impact on availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 11 Version 24H2 (build 10.0.26100.0) as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55144.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-16T15:03:49.682Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55144","vendor":"Microsoft"}]
Threat ID: 6a566f8168715ace43e6bf9f
Added to database: 07/14/2026, 17:18:57 UTC
Last enriched: 08/13/2026, 15:42:48 UTC
Last updated: 08/23/2026, 22:52:12 UTC
Views: 52
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