CVE-2026-35420

HIGH EPSS 23.7%
Published May 12, 20261mo ago ยท Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
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Published May 12, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

Description

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

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
23.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-122

Affected Products 7

VendorProductVersionRange
microsoftwindows_server_2012*any
microsoftwindows_server_2012r2any
microsoftwindows_server_2016* <10.0.14393.9140
microsoftwindows_server_2019* <10.0.17763.8755
microsoftwindows_server_2022* <10.0.20348.5074
microsoftwindows_server_2022_23h2* <10.0.25398.2330
microsoftwindows_server_2025* <10.0.26100.32772

References 1

  • msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35420
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.