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Vulnerability IntelligenceCVE-2026-45498

CVE-2026-45498

MEDIUM4.0

Microsoft Defender Denial of Service Vulnerability

Published May 20, 2026

Modified 3 days ago

Details

Microsoft Defender Denial of Service Vulnerability

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45498

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-45498

https://www.cve.org/CVERecord?id=CVE-2026-45498

CVSS Analysis

CVSS v3.1

4.0

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

LowA:L

4/CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

Resource Management

Resource Exhaustion

Ecosystems

Timeline

PublishedMay 20, 2026

ModifiedJun 2, 2026

CVE-2026-45498 | Mondoo Vulnerability Intelligence