CVE-2026-42897 Microsoft Microsoft Exchange Server 2016…
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
- CVSS
- 8.1 High
- EPSS
- 71%
- Percentile
- 99
- Published
- 2026-05-14
- Force
- 10 of 12
- Public PoC
- 1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:F/RL:O/RC:C
On CISA’s exploited list
Microsoft Exchange Server Cross-Site Scripting Vulnerability
- Added
- 2026-05-15
- Federal patch deadline
- 2026-05-29
- Ransomware use
- not known