[CISA KEV] CVE-2026-41091 — Microsoft Defender: Microsoft Defender Link Following Vulnerability

CVE: CVE-2026-41091 Vendor: Microsoft Product: Defender Vulnerability: Microsoft Defender Link Following Vulnerability Date Added: 2026-05-20 Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Due Date: 2026-06-03 Known Ransomware Use: Unknown Notes: https://msrc.micr