CVE-2025-49666

HIGH EPSS 63.0%
Published Jul 8, 202511mo ago · Modified Jun 17, 20261w ago
7.2 CVSS 3.1
High
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Published Jul 8, 2025 11mo ago
Last Modified Jun 17, 2026 1w ago

Description

Heap-based buffer overflow in Windows Kernel allows an authorized attacker to execute code over a network.

CVSS Details

Base Score
7.2
Exploitability
1.2
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
63.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-122

Affected Products 5

VendorProductVersionRange
microsoftwindows_server_2016* <10.0.14393.8246
microsoftwindows_server_2019* <10.0.17763.7558
microsoftwindows_server_2022* <10.0.20348.3932
microsoftwindows_server_2022_23h2* <10.0.25398.1732
microsoftwindows_server_2025* <10.0.26100.4652

References 1

  • msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49666
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.