THREAT OPS › Threat News › [CISA KEV] CVE-2026-42897 — Microsoft Microsoft: Microsoft Exchange Server Cross-Site Scripting Vulnerability
[CISA KEV] CVE-2026-42897 — Microsoft Microsoft: Microsoft Exchange Server Cross-Site Scripting Vulnerability
CVE: CVE-2026-42897 Vendor: Microsoft Product: Microsoft Vulnerability: Microsoft Exchange Server Cross-Site Scripting Vulnerability Date Added: 2026-05-15 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: 2026-05-29 Known Ransomware Use: Unknown Notes: htt
MITRE ATT&CK techniques
Indicators of compromise
- CVE-2026-42897cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-42897