CVE-2026-26135 — AI Deep Analysis Summary

🚨 **Essence**: Server-Side Request Forgery (SSRF) in Azure Custom Locations RP. 💥 **Consequences**: Leads to **Privilege Escalation**. Critical integrity and confidentiality loss.

🛡️ **Root Cause**: **CWE-918** (SSRF). ⚠️ **Flaw**: Code logic error allowing malicious server requests. Direct path to elevated access.

🏢 **Affected**: Microsoft Azure Custom Locations Resource Provider. 📅 **Published**: 2026-04-02. 🌍 **Scope**: Users of this specific Azure extension/RP.

🔓 **Hacker Action**: Elevate privileges. 📊 **Impact**: High Confidentiality & Integrity impact. Can access restricted data or control resources beyond normal limits.

🔑 **Threshold**: **Low**. ⚙️ **Config**: Requires **Low Privileges** (PR:L) to exploit. No User Interaction needed (UI:N). Network accessible (AV:N).

🚫 **Public Exp?**: **No**. 📦 **PoC**: Empty list in data. 🌐 **Wild Exp**: None reported yet. Vendor advisory is the primary source.

🔍 **Self-Check**: Scan for Azure Custom Locations RP usage. 📡 **Features**: Monitor for unusual outbound requests from this service. Check for SSRF indicators in logs.

✅ **Fixed?**: **Yes**. 🩹 **Patch**: Microsoft MSRC Update Guide available. 🔗 **Ref**: Link provided in vendor advisory. Apply immediately.

🛑 **No Patch?**: Isolate the RP. 🚧 **Workaround**: Restrict network egress for Custom Locations. Limit permissions to minimum required. Monitor closely.

🔥 **Urgency**: **HIGH**. 📈 **Priority**: CVSS 8.8 (High). ⚡ **Action**: Patch ASAP. SSRF leading to Privilege Escalation is a critical threat vector.