CVE-2026-41096

Name: CVE-2026-41096
Creator: NVD / NIST
Published: 2026-05-12T18:17:21.167+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.93%

Last modified Jun 17, 2026

CVE-2026-41096 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.. EPSS estimates a 1.93% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.93%

77.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-122

Affected Software

Vendor	Product	Versions
Microsoft	Windows 11 23h2	< 10.0.22631.7079
Microsoft	Windows 11 24h2	< 10.0.26100.8390
Microsoft	Windows 11 25h2	< 10.0.26200.8390
Microsoft	Windows 11 26h1	< 10.0.28000.2113
Microsoft	Windows Server 2022 23h2	< 10.0.25398.2330
Microsoft	Windows Server 2025	< 10.0.26100.32772

References

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

Timeline

Published: May 12, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-41096?

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

How severe is CVE-2026-41096?

CVE-2026-41096 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.93% probability of exploitation in the next 30 days.

How do I fix CVE-2026-41096?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-41096?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST