CVE-2026-42897
Microsoft Exchange Server Cross-Site Scripting Vulnerability
6.1
CVSS 3.1
0.5 %
EPSS (current)
2026-05-15
KEV addition
No
Ransomware
Timeline
Publication, first public exploit and KEV addition on a day axis.
Key facts
Vendor / product: Microsoft / Microsoft
Published: 2026-05-14 · Due (CISA): 2026-05-29
CWE: CWE-79 · EU list: no
Exploit references (metadata only)
No public exploit references recorded.