CVE-2022-26929
CVE-2022-26929 is a high-severity vulnerability in Microsoft .net Framework with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- EPSS exploit prediction: 1% (67th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft .net Framework
- Published:
- Last modified:
Description
.NET Framework Remote Code Execution Vulnerability
Frequently asked questions
- What is CVE-2022-26929?
- .NET Framework Remote Code Execution Vulnerability
- How severe is CVE-2022-26929?
- CVE-2022-26929 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2022-26929 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-26929?
- CVE-2022-26929 primarily affects Microsoft .net Framework. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2022-26929?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2022-26929 published?
- CVE-2022-26929 was published on 2022-09-13 and last updated on 2026-06-17.
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26929
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26929
Affected products (12)
- cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:3.0:sp2:*:*:*:*:*:*
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