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Vulnerability record · CVE-2026-72949 · published 8 September 2026

CVE-2026-72949: Microsoft windows 11 23h2 null pointer dereference vulnerability

Microsoft · Windows 11 23h2

Null pointer dereference in Windows SMB Server Network Transport Driver (srvnet.sys) allows an unauthorized attacker to deny service over a network.

7.5 CVSS 3.1 High EPSS 1.2% · top 33.8% CWE-476 · NULL pointer dereference
7.5CVSS 3.1 base score
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
1References
21 Sep 2026Last modified by NVD

Description

Null pointer dereference in Windows SMB Server Network Transport Driver (srvnet.sys) allows an unauthorized attacker to deny service over a network.

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

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72949 Vendor AdvisoryPatch

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Source: NIST National Vulnerability Database (record CVE-2026-72949), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.