Vulnerability Intelligence Report
.NET Elevation of Privilege Vulnerability
CVE-2026-32177
Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.
No Active Exploit Signals
CVSS Base Score
7.3
HIGH
Exploitability:1.9
Impact Score:5.5
EPSS Probability:0.55%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | .NET 10.0 | 10.0.0 < 10.0.8 (affected) |
| Microsoft | .NET 8.0 | 8.0.0 < 8.0.27 (affected) |
| Microsoft | .NET 9.0 | 9.0.0 < 9.0.16 (affected) |
| Microsoft | Microsoft .NET Framework 3.5 | 3.5.0 < 4.8.9334.0 and 4.8.4802.0 (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 | 4.7.0 < 4.8.9334.0 and 4.8.4802.0 (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 | 4.8.0 < 4.8.9334.0 and 4.8.4802.0 (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 | 4.8.1 < 4.8.9334.0 and 4.8.4802.0 (affected) |
| Microsoft | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 | 4.7.0 < 4.8.9334.0 and 4.8.4802.0 (affected) |
| Microsoft | Microsoft .NET Framework 4.8 | 4.8.0 < 4.8.9334.0 and 4.8.4802.0 (affected) |
| Microsoft | Microsoft Visual Studio 2022 version 17.12 | 17.12.0 < 17.12.20 (affected) |
| Microsoft | Microsoft Visual Studio 2022 version 17.14 | 17.14.0 < 17.14.32 (affected) |
| Microsoft | Microsoft Visual Studio 2026 version 18.5 | 18.5.0 < 18.5.3 (affected) |
Threat Intelligence Signals
EPSS Score
0.551%
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2026-03-11T00:26:53 |
| Published | 2026-05-12T16:58:15 |
| Patch Date | 2026-05-12 |
| Last Updated | 2026-08-10T15:14:01 |
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