Answer in brief
CVE-2026-0234 records a Critical severity (CVSS 9.1) vulnerability in Cortex XSOAR: Improper Verification of Cryptographic Signature in Microsoft Teams integration. The current sources do not mark it as known exploited. The current feed maps Palo Alto Networks/Cortex XSIAM Microsoft Teams Marketplace (generic), Palo Alto Networks/Cortex XSOAR Microsoft Teams Marketplace (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 9.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Palo Alto Networks/Cortex XSIAM Microsoft Teams Marketplace (generic), Palo Alto Networks/Cortex XSOAR Microsoft Teams Marketplace (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Palo Alto Networks/Cortex XSIAM Microsoft Teams Marketplacegeneric | >=1.5.0 <1.5.52 | 1.5.52 |
| Palo Alto Networks/Cortex XSOAR Microsoft Teams Marketplacegeneric | >=1.5.0 <1.5.52 | 1.5.52 |
Published upstream
Apr 13, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 7, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 7, 2026
An improper verification of cryptographic signature vulnerability exists in Cortex XSOAR and Cortex XSIAM platforms during integration of Microsoft Teams that enables an unauthenticated user to access and modify protected resources.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-0234 records a Critical severity (CVSS 9.1) vulnerability in Cortex XSOAR: Improper Verification of Cryptographic Signature in Microsoft Teams integration. The current sources do not mark it as known exploited. The current feed maps Palo Alto Networks/Cortex XSIAM Microsoft Teams Marketplace (generic), Palo Alto Networks/Cortex XSOAR Microsoft Teams Marketplace (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 9.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Palo Alto Networks/Cortex XSIAM Microsoft Teams Marketplace (generic), Palo Alto Networks/Cortex XSOAR Microsoft Teams Marketplace (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Palo Alto Networks/Cortex XSIAM Microsoft Teams Marketplacegeneric | >=1.5.0 <1.5.52 | 1.5.52 |
| Palo Alto Networks/Cortex XSOAR Microsoft Teams Marketplacegeneric | >=1.5.0 <1.5.52 | 1.5.52 |
Published upstream
Apr 13, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 7, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 7, 2026
An improper verification of cryptographic signature vulnerability exists in Cortex XSOAR and Cortex XSIAM platforms during integration of Microsoft Teams that enables an unauthenticated user to access and modify protected resources.
Quoted source text, attributed separately from HOL analysis.