CVE-2022-26832 : .NET Framework Denial of Service Vulnerability

.NET Framework Denial of Service Vulnerability

Published 2022-04-15 19:15:15

Updated 2023-12-21 01:15:32

Source Microsoft Corporation

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2022-26832

Microsoft » .net Framework » Version: 2.0 Update SP2
cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows Server 2008 » Update SP2
Microsoft » .net Framework » Version: 3.5.1
cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows 7 » Version: N/A Update SP1
When used together with: Microsoft » Windows Server 2008 » Version: R2 Update SP1 For X64
Microsoft » .net Framework » Version: 3.5
cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows 8.1 » Version: N/A
When used together with: Microsoft » Windows Server 2012 » Version: N/A
When used together with: Microsoft » Windows Server 2012 » Version: R2
Microsoft » .net Framework » Version: 3.0 Update SP2
cpe:2.3:a:microsoft:.net_framework:3.0:sp2:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows Server 2008 » Update SP2
Microsoft » .net Framework » Version: 4.5.2
cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows 7 » Version: N/A Update SP1
When used together with: Microsoft » Windows 8.1 » Version: N/A
When used together with: Microsoft » Windows Rt 8.1 » Version: N/A
When used together with: Microsoft » Windows Server 2008 » Update SP2
When used together with: Microsoft » Windows Server 2008 » Version: R2 Update SP1 For X64
When used together with: Microsoft » Windows Server 2012 » Version: N/A
When used together with: Microsoft » Windows Server 2012 » Version: R2
Microsoft » .net Framework » Version: 4.6
cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows Server 2008 » Update SP2
Microsoft » .net Framework » Version: 4.6.1
cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows 7 » Version: N/A Update SP1
When used together with: Microsoft » Windows 8.1 » Version: N/A
When used together with: Microsoft » Windows Rt 8.1 » Version: N/A
When used together with: Microsoft » Windows Server 2008 » Version: R2 Update SP1 For X64
When used together with: Microsoft » Windows Server 2012 » Version: N/A
When used together with: Microsoft » Windows Server 2012 » Version: R2
Microsoft » .net Framework » Version: 4.6.2
cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows 7 » Version: N/A Update SP1
When used together with: Microsoft » Windows 8.1 » Version: N/A
When used together with: Microsoft » Windows Rt 8.1 » Version: N/A
When used together with: Microsoft » Windows Server 2008 » Version: R2 Update SP1 For X64
When used together with: Microsoft » Windows Server 2012 » Version: N/A
When used together with: Microsoft » Windows Server 2012 » Version: R2
Microsoft » .net Framework » Version: 4.7
cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows 7 » Version: N/A Update SP1
When used together with: Microsoft » Windows 8.1 » Version: N/A
When used together with: Microsoft » Windows Rt 8.1 » Version: N/A
When used together with: Microsoft » Windows Server 2008 » Version: R2 Update SP1 For X64
When used together with: Microsoft » Windows Server 2012 » Version: N/A
When used together with: Microsoft » Windows Server 2012 » Version: R2
Microsoft » .net Framework » Version: 4.7.1
cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows 7 » Version: N/A Update SP1
When used together with: Microsoft » Windows 8.1 » Version: N/A
When used together with: Microsoft » Windows Rt 8.1 » Version: N/A
When used together with: Microsoft » Windows Server 2008 » Version: R2 Update SP1 For X64
When used together with: Microsoft » Windows Server 2012 » Version: N/A
When used together with: Microsoft » Windows Server 2012 » Version: R2
Microsoft » .net Framework » Version: 4.7.2
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows 10 » Version: 1809
When used together with: Microsoft » Windows Server 2019 » Version: N/A
Microsoft » .net Framework » Version: 4.8
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows 10 » Version: 20h2
When used together with: Microsoft » Windows 10 » Version: 1809
When used together with: Microsoft » Windows 10 » Version: 1909
When used together with: Microsoft » Windows 11 » Version: N/A For Arm64
When used together with: Microsoft » Windows 11 » Version: N/A For X64
When used together with: Microsoft » Windows Server 2016 » Version: 20h2
When used together with: Microsoft » Windows Server 2019 » Version: N/A
When used together with: Microsoft » Windows Server 2022 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2022-26832

EPSS FAQ

0.12%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 47 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-26832

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	Microsoft Corporation
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

References for CVE-2022-26832

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26832

CVE-2022-26832 - Security Update Guide - Microsoft - .NET Framework Denial of Service Vulnerability
Patch;Vendor Advisory

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Vulnerability Details : CVE-2022-26832

Products affected by CVE-2022-26832

Exploit prediction scoring system (EPSS) score for CVE-2022-26832

CVSS scores for CVE-2022-26832

References for CVE-2022-26832