CVE-2025-27491

HIGH EPSS 68.9%
Published Apr 8, 20251y ago · Modified Jun 17, 20262w ago
7.1 CVSS 3.1
High
Find Similar
Published Apr 8, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

Description

Use after free in Windows Hyper-V allows an authorized attacker to execute code over a network.

CVSS Details

Base Score
7.1
Exploitability
1.2
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
68.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 16

VendorProductVersionRange
microsoftwindows_10_1507* <10.0.10240.20978
microsoftwindows_10_1507* <10.0.10240.20978
microsoftwindows_10_1607* <10.0.14393.7969
microsoftwindows_10_1607* <10.0.14393.7969
microsoftwindows_10_1809* <10.0.17763.7136
microsoftwindows_10_1809* <10.0.17763.7136
microsoftwindows_10_21h2* <10.0.19044.5737
microsoftwindows_10_22h2* <10.0.19045.5737
microsoftwindows_11_22h2* <10.0.22621.5189
microsoftwindows_11_23h2* <10.0.22631.5189
microsoftwindows_11_24h2* <10.0.26100.3775
microsoftwindows_server_2016* <10.0.14393.7969
microsoftwindows_server_2019* <10.0.17763.7136
microsoftwindows_server_2022* <10.0.20348.3453
microsoftwindows_server_2022_23h2* <10.0.25398.1551
microsoftwindows_server_2025* <10.0.26100.3775

References 1

  • msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27491
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.