CVE-2026-26142: CWE-502: Deserialization of Untrusted Data in Microsoft Nuance PowerScribe 360 4.0
CVE-2026-26142 is a critical vulnerability in Microsoft Nuance PowerScribe 360 version 4. 0 involving deserialization of untrusted data. This flaw allows an unauthenticated attacker to execute arbitrary code remotely over a network. The vulnerability has a CVSS score of 9. 8, indicating high impact on confidentiality, integrity, and availability. An official patch is available from Microsoft to remediate this issue.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-26142) affects Microsoft Nuance PowerScribe 360 version 4.0 and is classified under CWE-502 (Deserialization of Untrusted Data). It allows an attacker with no privileges and no user interaction to remotely execute arbitrary code by exploiting unsafe deserialization mechanisms. The vulnerability is network exploitable and has a critical CVSS 3.1 base score of 9.8. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation of this vulnerability can lead to remote code execution with full impact on confidentiality, integrity, and availability of the affected system. This means an attacker can run arbitrary code remotely without authentication, potentially leading to complete system compromise.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators of Nuance PowerScribe 360 version 4.0 should apply the vendor-provided patch immediately to remediate this vulnerability. Refer to the Microsoft security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26142 for detailed patching instructions.
CVE-2026-26142: CWE-502: Deserialization of Untrusted Data in Microsoft Nuance PowerScribe 360 4.0
Description
CVE-2026-26142 is a critical vulnerability in Microsoft Nuance PowerScribe 360 version 4. 0 involving deserialization of untrusted data. This flaw allows an unauthenticated attacker to execute arbitrary code remotely over a network. The vulnerability has a CVSS score of 9. 8, indicating high impact on confidentiality, integrity, and availability. An official patch is available from Microsoft to remediate this issue.
CVSS v3.1
Score 9.8critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-26142) affects Microsoft Nuance PowerScribe 360 version 4.0 and is classified under CWE-502 (Deserialization of Untrusted Data). It allows an attacker with no privileges and no user interaction to remotely execute arbitrary code by exploiting unsafe deserialization mechanisms. The vulnerability is network exploitable and has a critical CVSS 3.1 base score of 9.8. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation of this vulnerability can lead to remote code execution with full impact on confidentiality, integrity, and availability of the affected system. This means an attacker can run arbitrary code remotely without authentication, potentially leading to complete system compromise.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators of Nuance PowerScribe 360 version 4.0 should apply the vendor-provided patch immediately to remediate this vulnerability. Refer to the Microsoft security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26142 for detailed patching instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-02-11T16:24:51.134Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26142","vendor":"Microsoft"}]
Threat ID: 6a284cb78dd33fbd85664068
Added to database: 6/9/2026, 5:26:15 PM
Last enriched: 6/9/2026, 11:28:12 PM
Last updated: 6/10/2026, 6:18:44 AM
Views: 5
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