Critical Alert 1 Active Exploit Detected Today

CVE-2026-45659 Microsoft SharePoint Server Deserialization of Untrusted Data Vulnerability →
Powered by CVE Watchtower
×

CVE Watchtower


← Back to CVE List

CVE-2026-20216NVD

Vulnerability Summary

A vulnerability in the InstallShield file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device.

This vulnerability is due to improper handling of temporary resources during file scanning. An attacker could exploit this vulnerability by submitting a crafted InstallShield file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the ClamAV scanning process and temporarily consume available system resources, resulting in a DoS condition on the affected software.
Severity Level
HIGH(7.5)
Published Date
Jul 1, 2026
Last Modified
Jul 1, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
Data Pending
Root Weakness (CWE)
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityHigh