CVE-2026-41096

CVE Enrichment

CVSS: 9.8 CRITICAL
EPSS: 2.70%
EPSS Percentile: 85.93%
CISA KEV: Not listed

Description

Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: [email protected]
Published: 13-May-2026 01:17
Last Modified: 17-Jun-2026 17:46
EPSS Date: 2026-11-03
CWE: CWE-122

CVSS Vector


            CVSS:3.1                            AV:N /
                            AC:L /
                            PR:N /
                            UI:N /
                            S:U /
                            C:H /
                            I:H /
                            A:H

CNA Products / Version Status

Microsoft · Windows 11 Version 23H2 Source: CNA · [email protected]
Default status: unknown

10.0.22631.0 ≤ version < 10.0.22631.7219 — affected (custom)

Platforms: x64-based Systems
Microsoft · Windows 11 Version 24H2 Source: CNA · [email protected]
Default status: unknown

10.0.26100.0 ≤ version < 10.0.26100.8457 — affected (custom)

Platforms: ARM64-based Systems, x64-based Systems
Microsoft · Windows 11 Version 25H2 Source: CNA · [email protected]
Default status: unknown

10.0.26200.0 ≤ version < 10.0.26200.8457 — affected (custom)

Platforms: ARM64-based Systems, x64-based Systems
Microsoft · Windows 11 version 23H2 Source: CNA · [email protected]
Default status: unknown

10.0.22631.0 ≤ version < 10.0.22631.7079 — affected (custom)

Platforms: ARM64-based Systems
Microsoft · Windows 11 version 26H1 Source: CNA · [email protected]
Default status: unknown

10.0.28000.0 ≤ version < 10.0.28000.2113 — affected (custom)

Platforms: ARM64-based Systems, x64-based Systems
Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation) Source: CNA · [email protected]
Default status: unknown

10.0.25398.0 ≤ version < 10.0.25398.2330 — affected (custom)

Platforms: x64-based Systems
Microsoft · Windows Server 2025 (Server Core installation) Source: CNA · [email protected]
Default status: unknown

10.0.26100.0 ≤ version < 10.0.26100.32860 — affected (custom)

Platforms: x64-based Systems
Microsoft · Windows Server 2025 Source: CNA · [email protected]
Default status: unknown

10.0.26100.0 ≤ version < 10.0.26100.32860 — affected (custom)

Platforms: x64-based Systems

Affected Products / Versions

microsoft / windows_11_23h2 Source: NVD CPE · affected
Version / affected range: * · before (exclusive) 10.0.22631.7079
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*
microsoft / windows_11_23h2 Source: NVD CPE · affected
Version / affected range: * · before (exclusive) 10.0.22631.7079
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*
microsoft / windows_11_24h2 Source: NVD CPE · affected
Version / affected range: * · before (exclusive) 10.0.26100.8390
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*
microsoft / windows_11_24h2 Source: NVD CPE · affected
Version / affected range: * · before (exclusive) 10.0.26100.8390
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*
microsoft / windows_11_25h2 Source: NVD CPE · affected
Version / affected range: * · before (exclusive) 10.0.26200.8390
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*
microsoft / windows_11_25h2 Source: NVD CPE · affected
Version / affected range: * · before (exclusive) 10.0.26200.8390
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*
microsoft / windows_11_26h1 Source: NVD CPE · affected
Version / affected range: * · before (exclusive) 10.0.28000.2113
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
microsoft / windows_11_26h1 Source: NVD CPE · affected
Version / affected range: * · before (exclusive) 10.0.28000.2113
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*
microsoft / windows_server_2022_23h2 Source: NVD CPE · affected
Version / affected range: * · before (exclusive) 10.0.25398.2330
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
microsoft / windows_server_2025 Source: NVD CPE · affected
Version / affected range: * · before (exclusive) 10.0.26100.32772
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*

References

[email protected]

Last enrichment sync: 03-Nov-2026 23:46
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (1)

Security researchers highlighted serious risks in CVE-2026-41096, CVE-2026-41089, and CVE-2026-42898, which could enable remote code execution and broad enterprise compromise. Microsoft Patches 137 Vulnerabilities in May Patch Tuesday, Reports No Actively Exploited Zero-Days

CVE (4)

People (2)

Vendors (1)

Products (3)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.