CVE-2026-41096

Windows DNS Client Remote Code Execution Vulnerability

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

Affected

Microsoft · Windows 11 version 23H2 · Windows 11 Version 23H2 · Windows 11 Version 24H2 · Windows 11 Version 25H2 · Windows 11 version 26H1 · Windows Server 2022, 23H2 Edition (Server Core installation)

CVSS v3.1 MICROSOFT

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

EPSS

0.97% chance of exploitation in the next 30 days, 61st percentile

Published

2026-05-12

Updated

2026-08-10

Proof-of-concept exploits (5)

• satchfunky/CVE-2026-41096-POC39★ · 2026-05-24
• TwoSevenOneT/CVE-2026-41096-Attack-Surface14★ · 2026-06-04
• m0n1x90/CVE-2026-410963★ · 2026-05-24
• ZeroDayEvil/CVE-2026-41096-PoC96★ · 2026-10-03
• wuyou6956-glitch/CVE-2026-41096-POC0★ · 2026-09-30

Security advisories

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41096

References

• CVE Record
• NVD entry

Related

• CVE-2026-20805
• CVE-2026-20817
• CVE-2026-21858
• CVE-2026-40369
• CVE-2026-41940
• CVE-2026-75604