High 7.5Published Mar 12, 2024

CVE-2024-26190Microsoft QUIC Denial of Service Vulnerability

Updated under an hour ago (Nov 2, 2026, 1:40 AM ET)

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It affects microsoft .net and 7 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Microsoft QUIC Denial of Service Vulnerability

CVSS: 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-400
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

microsoft .net microsoft:.net	from 7.0.0 before 7.0.17; from 8.0.0 before 8.0.3	NVD
microsoft powershell microsoft:powershell	from 7.3 before 7.3.12; from 7.4 before 7.4.2	NVD
microsoft visual_studio_2022 microsoft:visual_studio_2022	from 17.4.0 before 17.4.17; from 17.6.0 before 17.6.13; from 17.8.0 before 17.8.8; from 17.9.0 before 17.9.3	NVD
microsoft windows_11_21h2 microsoft:windows_11_21h2	before 10.0.22000.2836	NVD
microsoft windows_11_22h2 microsoft:windows_11_22h2	before 10.0.22621.3296	NVD
microsoft windows_11_23h2 microsoft:windows_11_23h2	before 10.0.22631.3296	NVD
microsoft windows_server_2022 microsoft:windows_server_2022	before 10.0.20348.2340	NVD
microsoft windows_server_2022_23h2 microsoft:windows_server_2022_23h2	before 10.0.25398.763	NVD

References

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26190	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.