Trust-Anchor Substitution via cert/issuer Typo in CMP rootCaKeyUpdate
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
AI Analysis
Technical Summary
This vulnerability involves a trust-anchor substitution via a certificate or issuer typo in the Certificate Management Protocol (CMP) rootCaKeyUpdate operation in Microsoft software version 3.0. The flaw is categorized under CWE-295, indicating a failure to properly validate certificates or their trust anchors. No further technical details or exploitation methods are described in the available data.
Potential Impact
The vulnerability could allow an attacker to substitute a trusted certificate authority anchor due to a typo in certificate or issuer fields during the root CA key update process. This may undermine the trust model of certificate validation, potentially enabling unauthorized certificate acceptance. However, no known exploits are reported, and no detailed impact assessment is provided.
Mitigation Recommendations
No patch or remediation information is currently available. Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance.
Trust-Anchor Substitution via cert/issuer Typo in CMP rootCaKeyUpdate
Description
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a trust-anchor substitution via a certificate or issuer typo in the Certificate Management Protocol (CMP) rootCaKeyUpdate operation in Microsoft software version 3.0. The flaw is categorized under CWE-295, indicating a failure to properly validate certificates or their trust anchors. No further technical details or exploitation methods are described in the available data.
Potential Impact
The vulnerability could allow an attacker to substitute a trusted certificate authority anchor due to a typo in certificate or issuer fields during the root CA key update process. This may undermine the trust model of certificate validation, potentially enabling unauthorized certificate acceptance. However, no known exploits are reported, and no detailed impact assessment is provided.
Mitigation Recommendations
No patch or remediation information is currently available. Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-42769
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a2d2f8be617e2d834b6ea70
Added to database: 06/13/2026, 10:23:07 UTC
Last enriched: 06/13/2026, 10:25:05 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 85
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