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VU
CRITICAL
Vulnerabilities

CVE-2026-42897: Microsoft Exchange XSS Under Active Exploitation

CISA adds CVE-2026-42897, a Microsoft Exchange Server Cross-Site Scripting vulnerability, to KEV Catalog due to active exploitation. Immediate patching advised.

Runtime Rebel Intel
4 min read·May 15, 2026
VU
CRITICAL
Vulnerabilities

CVE-2026-42897: Microsoft Exchange Server Zero-Day Exploited in Wild

Microsoft warns of CVE-2026-42897, a critical Exchange Server zero-day exploited in the wild. Implement Extended Protection mitigations immediately to secure systems.

Runtime Rebel Intel
3 min read·May 15, 2026
CVE-2026-42897: How Attackers Exploit Microsoft Exchange Server
CRITICAL
Vulnerabilities

CVE-2026-42897: How Attackers Exploit Microsoft Exchange Server

Microsoft warns of active exploitation of CVE-2026-42897, a critical spoofing and XSS vulnerability in on-premise Exchange Server triggered via email.

Runtime Rebel Intel
3 min read·May 15, 2026
VU
CRITICAL
Vulnerabilities

Critical RCE Threats: Confluence OGNL & Exchange Server Patching

Runtime Rebel analyzes critical RCE vulnerabilities affecting Atlassian Confluence and Microsoft Exchange Server, alongside a high-severity SQLi in WP Reset.

Runtime Rebel Intel
5 min read·Apr 23, 2026
VU
CRITICAL
Vulnerabilities

CISA KEV Update: Exchange Server, Adobe, MS Windows Exploits

CISA adds seven vulnerabilities, including critical Microsoft Exchange Server deserialization, to its Known Exploited Vulnerabilities Catalog, urging immediate

Runtime Rebel Intel
4 min read·Apr 14, 2026