CVE-2026-32177
7.3
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C
Summary
Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| 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 |
Weaknesses
- CWE-122: CWE-122: Heap-based Buffer Overflow
- CWE-20: CWE-20: Improper Input Validation
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
dotnet: .NET: heap-based buffer overflow allows an attacker to elevate privileges locally
Additional References
- https://access.redhat.com/security/cve/CVE-2026-32177
- https://bugzilla.redhat.com/show_bug.cgi?id=2476664
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32177.json
References
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