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CVE-2026-45498

4.0 MEDIUM

Microsoft Defender Denial of Service Vulnerability

Published: 2026-05-20 · Last updated: 2026-05-28

Severity and scoring

CVSS
4.0 MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
CWE-400

Affected products

VendorProduct
microsoftdefender_antimalware_platform

Description

Microsoft Defender Denial of Service Vulnerability

Source: NVD

References

Related CVEs

Same vendor

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  • CVE-2026-50511 Improper link resolution before file access ('link following') in Microsoft PC Manager allows an authorized attacker to elevate privilege... (7.8 HIGH)
  • CVE-2026-50507 Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack (6.8 MEDIUM)
  • CVE-2026-49161 Improper access control in Microsoft PC Manager allows an authorized attacker to bypass a security feature locally (7.8 HIGH)
  • CVE-2026-49160 Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network (7.5 HIGH)

Same CWE

  • CVE-2026-12325 Denial-of-service in the Graphics: ImageLib component (6.5 MEDIUM)
  • CVE-2026-12319 Denial-of-service in the Audio/Video: Playback component (6.5 MEDIUM)
  • CVE-2026-50889 An input handling flaw in the HTTP refresh token process of LLDAP v0.6.2 allows attackers to cause a Denial of Service (DoS) via sending ... (7.5 HIGH)
  • CVE-2026-50882 An issue in the /api/v0/pastes endpoint of anna-is-cute paste v0.1.1 allows attackers to cause a Denial of Service (DoS) via a crafted PO... (7.5 HIGH)
  • CVE-2026-50879 An issue in the uploadPostHandler component of Andrei Marcu linx-server v2.3.8 allows attackers to cause a Denial of Service (DoS) via a ... (7.5 HIGH)