# Microsoft .NET Framework vulnerabilities Source: https://junglewise.ai/threats/technologies/net-framework Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/net-framework.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 23 vulnerabilities in Microsoft .NET Framework: 0 in the last 7 days and 6 in the last 90 days, 5 of them critical and 5 exploited in the wild. The most recent, CVE-2026-97788, was published on 13 October 2026. 5 vulnerabilities in the last four weeks, up from none in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 6 - All time: 23 (5 critical, 5 exploited in the wild) ## About Microsoft .NET Framework .NET Framework is a Microsoft runtime environment for developing and executing Windows applications and services using managed code. ## Latest Microsoft .NET Framework vulnerabilities - [CVE-2026-97788: Microsoft Active Directory Federation Services information disclosure](https://junglewise.ai/threats/cve-2026-97788-observable-discrepancy-in-active-directory-federation-services-ad) (high, CVSS 7.5, published 13 Oct 2026) - [CVE-2026-96960: Asymmetric resource consumption (amplification) in .NET allows an unauthorized attacker to deny service over a network.](https://junglewise.ai/threats/cve-2026-96960-microsoft-security-advisory-net-and-visual-studio-denial-of) (high, CVSS 7.5, published 13 Oct 2026) - [CVE-2026-96959: Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny service over a network.](https://junglewise.ai/threats/cve-2026-96959-microsoft-security-advisory-net-and-visual-studio-denial-of) (high, CVSS 7.5, published 13 Oct 2026) - [CVE-2026-96222: Microsoft .NET certificate validation bypass in Cryptography.Xml](https://junglewise.ai/threats/cve-2026-96222-microsoft-security-advisory-net-spoofing-vulnerability) (high, CVSS 7.4, published 13 Oct 2026) - [CVE-2026-108398: .NET Framework untrusted search path security feature bypass](https://junglewise.ai/threats/cve-2026-108398-untrusted-search-path-in-net-framework-allows-an-authorized) (high, CVSS 8.8, published 13 Oct 2026) - [CVE-2026-69522: Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.](https://junglewise.ai/threats/cve-2026-69522-microsoft-diasymreader-native-heap-buffer-overflow-in-pdb) (high, CVSS 8.8, published 8 Sep 2026) - [CVE-2026-70354: Out-of-bounds write in .NET allows an unauthorized attacker to execute code locally.](https://junglewise.ai/threats/cve-2026-70354-microsoft-net-out-of-bounds-write-in-windows-presentation) (high, CVSS 7.8, published 11 Aug 2026) - [CVE-2026-65810: Microsoft .NET Framework relative path traversal privilege escalation](https://junglewise.ai/threats/cve-2026-65810-microsoft-net-framework-relative-path-traversal-privilege) (high, CVSS 7.8, published 11 Aug 2026) - [CVE-2026-62897: Integer overflow or wraparound in .NET Framework allows an unauthorized attacker to execute code locally.](https://junglewise.ai/threats/cve-2026-62897-microsoft-net-integer-overflow-in-windows-presentation-foundation) (high, CVSS 7, published 11 Aug 2026) - [CVE-2026-50650: Microsoft .NET Framework code injection privilege escalation](https://junglewise.ai/threats/cve-2026-50650-microsoft-net-framework-code-injection-privilege-escalation) (high, CVSS 7.8, published 14 Jul 2026) - [CVE-2026-50648: Microsoft .NET Framework denial of service via resource exhaustion](https://junglewise.ai/threats/cve-2026-50648-microsoft-net-framework-denial-of-service-via-resource-exhaustion) (high, CVSS 7.5, published 14 Jul 2026) - [CVE-2026-50646: Microsoft .NET Framework protection mechanism failure](https://junglewise.ai/threats/cve-2026-50646-microsoft-net-framework-protection-mechanism-failure) (high, CVSS 7.8, published 14 Jul 2026) - [CVE-2026-50527: Microsoft .NET Framework stack-based buffer overflow](https://junglewise.ai/threats/cve-2026-50527-microsoft-net-framework-stack-based-buffer-overflow) (high, CVSS 7.5, published 14 Jul 2026) - [CVE-2026-47302: Microsoft .NET denial of service via resource exhaustion](https://junglewise.ai/threats/cve-2026-47302-microsoft-net-denial-of-service-via-resource-exhaustion) (high, CVSS 7.5, published 14 Jul 2026) - [CVE-2026-32177: Microsoft .NET heap buffer overflow privilege escalation](https://junglewise.ai/threats/cve-2026-32177-microsoft-net-heap-buffer-overflow-privilege-escalation) (high, CVSS 7.3, published 12 May 2026) - [CVE-2026-33116: Microsoft .NET infinite loop in XmlDecryptionTransform](https://junglewise.ai/threats/cve-2026-33116-microsoft-net-infinite-loop-in-xmldecryptiontransform) (high, CVSS 7.5, published 14 Apr 2026) - [CVE-2026-32226: Microsoft .NET Framework race condition denial of service](https://junglewise.ai/threats/cve-2026-32226-microsoft-net-framework-race-condition-denial-of-service) (medium, CVSS 5.9, published 14 Apr 2026) - [CVE-2026-23666: Microsoft .NET Framework denial of service via race condition](https://junglewise.ai/threats/cve-2026-23666-microsoft-net-framework-denial-of-service-via-race-condition) (high, CVSS 7.5, published 14 Apr 2026) - [CVE-2024-29059: Microsoft .NET Framework Information Disclosure Vulnerability](https://junglewise.ai/threats/cve-2024-29059-microsoft-net-framework-information-disclosure-vulnerability) (critical, exploited in the wild, CVSS 7.5, published 4 Feb 2025) - [CVE-2015-1671: Microsoft Windows Remote Code Execution Vulnerability](https://junglewise.ai/threats/cve-2015-1671-microsoft-windows-remote-code-execution-vulnerability) (critical, exploited in the wild, CVSS 9.3, published 25 May 2022) - [CVE-2020-1147: .NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulnerability](https://junglewise.ai/threats/cve-2020-1147-microsoft-net-framework-sharepoint-and-visual-studio-remote-code) (critical, exploited in the wild, CVSS 3.1, published 24 May 2022) - [CVE-2020-0646: Microsoft .NET Framework Remote Code Execution Vulnerability](https://junglewise.ai/threats/cve-2020-0646-microsoft-net-framework-remote-code-execution-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 3 Nov 2021) - [CVE-2017-8759: Microsoft .NET Framework Remote Code Execution Vulnerability](https://junglewise.ai/threats/cve-2017-8759-microsoft-net-framework-remote-code-execution-vulnerability) (critical, exploited in the wild, CVSS 7.8, published 3 Nov 2021) ## Most severe Microsoft .NET Framework vulnerabilities - [CVE-2020-0646: Microsoft .NET Framework Remote Code Execution Vulnerability](https://junglewise.ai/threats/cve-2020-0646-microsoft-net-framework-remote-code-execution-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 3 Nov 2021) - [CVE-2015-1671: Microsoft Windows Remote Code Execution Vulnerability](https://junglewise.ai/threats/cve-2015-1671-microsoft-windows-remote-code-execution-vulnerability) (critical, exploited in the wild, CVSS 9.3, published 25 May 2022) - [CVE-2017-8759: Microsoft .NET Framework Remote Code Execution Vulnerability](https://junglewise.ai/threats/cve-2017-8759-microsoft-net-framework-remote-code-execution-vulnerability) (critical, exploited in the wild, CVSS 7.8, published 3 Nov 2021) - [CVE-2024-29059: Microsoft .NET Framework Information Disclosure Vulnerability](https://junglewise.ai/threats/cve-2024-29059-microsoft-net-framework-information-disclosure-vulnerability) (critical, exploited in the wild, CVSS 7.5, published 4 Feb 2025) - [CVE-2020-1147: .NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulnerability](https://junglewise.ai/threats/cve-2020-1147-microsoft-net-framework-sharepoint-and-visual-studio-remote-code) (critical, exploited in the wild, CVSS 3.1, published 24 May 2022) - [CVE-2026-69522: Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.](https://junglewise.ai/threats/cve-2026-69522-microsoft-diasymreader-native-heap-buffer-overflow-in-pdb) (high, CVSS 8.8, published 8 Sep 2026) - [CVE-2026-108398: .NET Framework untrusted search path security feature bypass](https://junglewise.ai/threats/cve-2026-108398-untrusted-search-path-in-net-framework-allows-an-authorized) (high, CVSS 8.8, published 13 Oct 2026) - [CVE-2026-50646: Microsoft .NET Framework protection mechanism failure](https://junglewise.ai/threats/cve-2026-50646-microsoft-net-framework-protection-mechanism-failure) (high, CVSS 7.8, published 14 Jul 2026) - [CVE-2026-50650: Microsoft .NET Framework code injection privilege escalation](https://junglewise.ai/threats/cve-2026-50650-microsoft-net-framework-code-injection-privilege-escalation) (high, CVSS 7.8, published 14 Jul 2026) - [CVE-2026-65810: Microsoft .NET Framework relative path traversal privilege escalation](https://junglewise.ai/threats/cve-2026-65810-microsoft-net-framework-relative-path-traversal-privilege) (high, CVSS 7.8, published 11 Aug 2026) ## Vulnerabilities per week 5 vulnerabilities in the last four weeks, up from none in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 1 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 5 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Microsoft technologies - [Microsoft Windows](https://junglewise.ai/threats/technologies/windows): 2,362 vulnerabilities - [Microsoft Windows 10](https://junglewise.ai/threats/technologies/windows-10): 589 vulnerabilities - [Microsoft Windows 11 24h2](https://junglewise.ai/threats/technologies/windows-11-24h2): 565 vulnerabilities - [Microsoft Windows 11 25h2](https://junglewise.ai/threats/technologies/windows-11-25h2): 534 vulnerabilities - [Microsoft Windows Server 2025](https://junglewise.ai/threats/technologies/windows-server-2025): 534 vulnerabilities - [Microsoft Windows Server 2022](https://junglewise.ai/threats/technologies/windows-server-2022): 528 vulnerabilities - [Microsoft Windows Server 2019](https://junglewise.ai/threats/technologies/windows-server-2019): 521 vulnerabilities - [Microsoft Windows Server 2012](https://junglewise.ai/threats/technologies/windows-server-2012): 517 vulnerabilities - [Microsoft Windows 11](https://junglewise.ai/threats/technologies/windows-11): 494 vulnerabilities - [Microsoft Windows Server 2016](https://junglewise.ai/threats/technologies/windows-server-2016): 476 vulnerabilities - [Microsoft Windows 10 1809](https://junglewise.ai/threats/technologies/windows-10-1809): 380 vulnerabilities - [Microsoft Windows 10 21h2](https://junglewise.ai/threats/technologies/windows-10-21h2): 373 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Microsoft .NET Framework vulnerabilities", https://junglewise.ai/threats/technologies/net-framework, 13 November 2026.