CVE-2026-32226: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Microsoft .NET Framework 3.5 AND 4.7.2
Concurrent execution using shared resource with improper synchronization ('race condition') in .NET Framework allows an unauthorized attacker to deny service over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-32226) involves a race condition (CWE-362) in Microsoft .NET Framework 3.5 and 4.7.2, where improper synchronization of concurrent execution using shared resources can be exploited by an unauthorized attacker to cause a denial of service (DoS) over a network. The CVSS 3.1 base score is 5.9, reflecting network attack vector, high attack complexity, no privileges required, no user interaction, and impact limited to availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
An attacker can exploit this race condition vulnerability to cause a denial of service, impacting the availability of affected .NET Framework applications. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32226 to remediate this vulnerability. No additional mitigation actions are specified by the vendor.
CVE-2026-32226: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Microsoft .NET Framework 3.5 AND 4.7.2
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in .NET Framework allows an unauthorized attacker to deny service over a network.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-32226) involves a race condition (CWE-362) in Microsoft .NET Framework 3.5 and 4.7.2, where improper synchronization of concurrent execution using shared resources can be exploited by an unauthorized attacker to cause a denial of service (DoS) over a network. The CVSS 3.1 base score is 5.9, reflecting network attack vector, high attack complexity, no privileges required, no user interaction, and impact limited to availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
An attacker can exploit this race condition vulnerability to cause a denial of service, impacting the availability of affected .NET Framework applications. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32226 to remediate this vulnerability. No additional mitigation actions are specified by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-11T01:49:58.662Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32226","vendor":"Microsoft"}]
Threat ID: 69de7a3882d89c981fd6cef6
Added to database: 4/14/2026, 5:32:40 PM
Last enriched: 4/14/2026, 5:50:53 PM
Last updated: 4/15/2026, 6:08:46 AM
Views: 10
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.