CVE-2026-24283

Name: CVE-2026-24283
Creator: NVD / NIST
Published: 2026-03-10T18:18:18.17+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.38%

Last modified Jun 17, 2026

CVE-2026-24283 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Heap-based buffer overflow in Windows File Server allows an authorized attacker to elevate privileges locally.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.38%

30.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-122

Affected Software

Vendor	Product	Versions
Microsoft	Windows 11 24h2	< 10.0.26100.7979
Microsoft	Windows 11 25h2	< 10.0.26200.7979
Microsoft	Windows 11 26h1	< 10.0.28000.1719
Microsoft	Windows Server 2022 23h2	< 10.0.25398.2207
Microsoft	Windows Server 2025	< 10.0.26100.32463

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24283Vendor Advisory

Timeline

Published: Mar 10, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-24283?

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

How severe is CVE-2026-24283?

CVE-2026-24283 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.

How do I fix CVE-2026-24283?

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-2026-24283?

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

Scan your code now

Source: NVD / NIST