CVE-2026-32226

Published: Apr 14, 2026

Modified: Jun 1, 2026

PUBLISHED

CVSS v3.1

5.9

MEDIUM

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in .NET Framework allows an unauthorized attacker to deny service over a network.

Vendor	Product	Versions
Microsoft	Microsoft .NET Framework 3.5	affected `3.5.0 - < 2.0.50727.8982 & 3.0.30729.8976`
Microsoft	Microsoft .NET Framework 3.5 AND 4.7.2	affected `4.7.0 - < 2.0.50727.9068 & 3.0.30729.9065 & 4.7.4141.0`
Microsoft	Microsoft .NET Framework 3.5 AND 4.8	affected `4.8.0 - < 2.0.50727.9068 & 3.0.30729.9065 & 4.8.4801.0`
Microsoft	Microsoft .NET Framework 3.5 AND 4.8.1	affected `4.8.1 - < 2.0.50727.9181 & 3.0.30729.9165 & 4.8.9332.0`
Microsoft	Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2	affected `4.7.0 - < 4.8.4801.0`
Microsoft	Microsoft .NET Framework 4.7.2	affected `10.0.0.0 - < 2.0.50727.9068 & 3.0.30729.9065 & 4.7.4141.0`
Microsoft	Microsoft .NET Framework 4.8	affected `4.8.0 - < 2.0.50727.9181 & 3.0.30729.9165 & 4.8.4801.0`
Microsoft	Microsoft .NET Framework 4.8.1	affected `4.8.0.0 - < 2.0.50727.9181 & 3.0.30729.9165 & 4.8.9332.0`

Weaknesses (CWE)

CWE-362

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

.NET Framework Denial of Service Vulnerability

vendor-advisory

patch

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CVE-2026-32226

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References