Critical Alert 2 Active Exploits Detected Today

CVE-2026-16232 Check Point SmartConsole Improper Authentication Vulnerability →
CVE-2026-50522 Microsoft SharePoint Deserialization of Untrusted Data Vulnerability →
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CVE-2025-66376NVD

Vulnerability Summary

Zimbra Collaboration (ZCS) 10 before 10.0.18 and 10.1 before 10.1.13 allows Classic UI stored XSS via Cascading Style Sheets (CSS) @import directives in an HTML e-mail message.
Severity Level
HIGH(7.2)
Published Date
Jan 5, 2026
Last Modified
Mar 18, 2026
Exploitation Status
ACTIVE
EPSS Score (30-Day)
10.01%Probability
Root Weakness (CWE)
The software does not neutralize user-controllable input before it is placed in output that is used as a web page.
CVSS v3.1 Base Metrics
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone