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01 Record

CVE-2022-26832

.NET Framework Denial of Service Vulnerability

HighPUBLISHEDCNA: microsoft
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

02 Description

.NET Framework Denial of Service Vulnerability

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
3.60% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 89.1% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-04-15 19:05Z4 YR AGO
Last updated
2025-01-02 18:52Z1 YR AGO
Reserved
2022-03-09
Assigning CNA
microsoft
Record state
PUBLISHED
Severity
High (CVSS 7.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Weaknesses
  • CWE-400Uncontrolled Resource ConsumptionClass
Data version
5.1
Document digest
84802b4421bc47190b9b42c15e3d6a89f6a85aa608a05e6113eb96edcf03a822

05 Affected products

VendorProductVersionsPlatforms
MicrosoftMicrosoft .NET Framework 3.5 AND 4.84.8.0 to < 4.8.4494.03Windows 10 Version 1909 for x64-based Systems, Windows 10 Version 1809 for 32-bit Systems, Windows Server 2019 (Server Core installation), Windows 10 Version 1809 for x64-based Systems, Windows Server 2022, Windows Server 2022 (Server Core installation), Windows 10 Version 1909 for ARM64-based Systems, Windows Server 2019, Windows 10 Version 1909 for 32-bit Systems, Windows 10 Version 20H2 for 32-bit Systems, Windows 10 Version 20H2 for ARM64-based Systems, Windows Server, version 20H2 (Server Core Installation), Windows 11 version 21H2 for ARM64-based Systems, Windows 11 version 21H2 for x64-based Systems
MicrosoftMicrosoft .NET Framework 4.5.24.0.0.0 to < 4.0.52732.36732Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation), Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation), Windows Server 2012, Windows Server 2012 R2, Windows Server 2012 (Server Core installation), Windows Server 2008 R2 for x64-based Systems Service Pack 1, Windows Server 2008 for x64-based Systems Service Pack 2, Windows Server 2012 R2 (Server Core installation), Windows 7 for 32-bit Systems Service Pack 1, Windows 7 for x64-based Systems Service Pack 1, Windows 8.1 for 32-bit systems, Windows RT 8.1, Windows 8.1 for x64-based systems, Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
MicrosoftMicrosoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.24.0.0.0 to < 4.7.03930.02Windows 8.1 for 32-bit systems, Windows 7 for x64-based Systems Service Pack 1, Windows RT 8.1, Windows Server 2012, Windows Server 2012 R2, Windows 8.1 for x64-based systems, Windows 7 for 32-bit Systems Service Pack 1, Windows Server 2012 R2 (Server Core installation), Windows Server 2012 (Server Core installation), Windows Server 2008 R2 for x64-based Systems Service Pack 1, Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
MicrosoftMicrosoft .NET Framework 4.84.8.0 to < 4.8.04494.03Windows Server 2012, Windows Server 2012 R2 (Server Core installation), Windows 8.1 for 32-bit systems, Windows Server 2012 R2, Windows Server 2016, Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation), Windows Server 2012 (Server Core installation), Windows 10 Version 1607 for x64-based Systems, Windows 7 for x64-based Systems Service Pack 1, Windows RT 8.1, Windows 10 Version 1607 for 32-bit Systems, Windows Server 2016 (Server Core installation), Windows Server 2008 R2 for x64-based Systems Service Pack 1, Windows 8.1 for x64-based systems, Windows 7 for 32-bit Systems Service Pack 1, Windows 10 Version 21H1 for x64-based Systems, Windows 10 Version 21H1 for ARM64-based Systems, Windows 10 Version 21H2 for ARM64-based Systems, Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for x64-based Systems, Windows 10 Version 21H1 for 32-bit Systems
MicrosoftMicrosoft .NET Framework 3.5 AND 4.7.24.7.0 to < 4.7.3930.02Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows 10 Version 1809 for ARM64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)
MicrosoftMicrosoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.23.0.0.0 to < 10.0.14393.5066Windows 10 Version 1607 for 32-bit Systems, Windows Server 2016, Windows Server 2016 (Server Core installation), Windows 10 Version 1607 for x64-based Systems
MicrosoftMicrosoft .NET Framework 4.64.0.0.0 to < 4.0.52732.36732Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2008 for x64-based Systems Service Pack 2
MicrosoftMicrosoft .NET Framework 2.0 Service Pack 22.0.0 to < 2.0.50727.8962Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2008 for x64-based Systems Service Pack 2
MicrosoftMicrosoft .NET Framework 3.0 Service Pack 23.0.0 to < 2.0.50727.8962Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2008 for x64-based Systems Service Pack 2
MicrosoftMicrosoft .NET Framework 3.53.5.0 to < publicationWindows 8.1 for 32-bit systems, Windows 8.1 for x64-based systems, Windows Server 2012 (Server Core installation), Windows Server 2012, Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)
MicrosoftMicrosoft .NET Framework 3.5.13.5.0 to < 6.1.50727.8962Windows 7 for 32-bit Systems Service Pack 1, Windows 7 for x64-based Systems Service Pack 1, Windows Server 2008 R2 for x64-based Systems Service Pack 1, Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)

06 References