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Windows SMB Server Network Transport Driver (srvnet.sys) Denial of Service Vulnerability

🗓️ 08 Sep 2026 14:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 15 Views

Null pointer dereference in Windows srvnet.sys SMB driver enables unauthorized remote DoS.

Related
Detection
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
SMB Server Network Transport Driver DoS
13 Oct 202600:00
–bdu_fstec
circl
Circl
CVE-2026-72949
8 Sep 202622:08
–circl
cve
CVE
CVE-2026-72949
8 Sep 202617:14
–cve
cvelist
Cvelist
CVE-2026-72949 Windows SMB Server Network Transport Driver (srvnet.sys) Denial of Service Vulnerability
8 Sep 202617:14
–cvelist
euvd
EUVD
EUVD-2026-73344
8 Sep 202617:14
–euvd
nvd
NVD
CVE-2026-72949
8 Sep 202618:20
–nvd
ptsecurity
Positive Technologies
PT-2026-114484
8 Sep 202600:00
–ptsecurity
ptsecurity
Positive Technologies
PT-2026-87866
8 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-72949: NULL Pointer Dereference
8 Sep 202600:00
–rapid7
nessus
Tenable Nessus
KB5122871: Windows Server 2025 Security Update (September 2026)
8 Sep 202600:00
–nessus
Rows per page
Vulners
Node
OR
microsoftwindows_11_26h1Range<10.0.28000.2954x64
microsoftwindows_server_2025Range<10.0.26100.33438
microsoftwindows_11_26h1Range<10.0.28000.2954x64
microsoftwindows_11_24h2Range<10.0.26100.9445x64
microsoftwindows_11_24h2Range<10.0.26100.9445x64
microsoftwindows_11_23h2Range<10.0.22631.7582x64
microsoftwindows_11_23h2Range<10.0.22631.7582x64
microsoftwindows_11_25h2Range<10.0.26200.9445x64
microsoftwindows_server_2025Range<10.0.26100.33438
microsoftwindows_11_25h2Range<10.0.26200.9445x64
microsoftwindows_server_2022Range<10.0.20348.5622
microsoftwindows_server_2022Range<10.0.20348.5622

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08 Sep 2026 14:00Current
7.2High risk
Vulners AI Score7.2
CVSS 3.17.5
EPSS0.01174
SSVC
15