CVE-2026-49175

high Microsoft
CVSS v3 Base Score
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
EPSS Score
0.2%
Exploitation probability in 30 days
Top 84% most likely to be exploited
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: July 14, 2026 (54 days ago)
Last Modified: July 16, 2026
Vendor: Microsoft
Source: MITRE

Description

Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locally.

CWE

CWE-122

Affected Products

Microsoft Windows 10 Version 21H2Microsoft Windows 10 Version 22H2Microsoft Windows 11 Version 24H2Microsoft Windows 11 Version 25H2Microsoft Windows 11 version 26H1Microsoft Windows Server 2022Microsoft Windows Server 2025Microsoft Windows Server 2025 (Server Core installation)

References

🔗 msrc.microsoft.com