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CVE-2026-45498

🔥 Known Exploited (CISA KEV)CRITICAL
9.8
CVSS Severity Score
EPSS Score48.6200%
EPSS Percentile95.96th
Published2026-05-20
Last Modified2026-06-12
Data SourcesNVDCISA KEVFIRST.org EPSS

Vulnerability Description

Microsoft Defender is vulnerable to Microsoft Defender Denial of Service Vulnerability. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Affected Platforms (CPE)

No CPE configurations currently published for this record.

Related Security Intelligence Articles

Weekly Cybersecurity News: Jul 27, 2026

Weekly cybersecurity news covering active exploitation of Check Point SmartConsole CVE-2026-16232, Qilin ransomware leveraging PAN-OS GlobalProtect vulnerabilities, Russian LAUNDRY BEAR targeting Zimbra email servers, and FakeGit malicious repositories.

2026-07-27

Daily Global Cyber Threat Intelligence Digest — July 24, 2026

This digest covers active exploitation of Check Point CVE-2026-16232 SmartConsole authentication bypass, Russian LAUNDRY BEAR targeting Zimbra vulnerabilities, malicious Claude Desktop ad campaigns deploying SectopRAT, and Chaos ransomware msaRAT operations.

2026-07-24

Daily Global Cyber Threat Intelligence Digest — July 23, 2026

Key threat updates including CISA's KEV addition of Langflow CVE-2026-0770 remote code execution, unauthenticated path traversal in Windmill CVE-2026-29059, and ongoing incident response guidance for SonicWall SMA1000 zero-day exposures.

2026-07-23

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