Answer in brief
CVE-2026-32177 records a High severity (CVSS 7.3) vulnerability in .NET Elevation of Privilege Vulnerability. The current sources do not mark it as known exploited. The current feed maps Microsoft/Microsoft .NET Framework 3.5 (generic), Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 (generic), Microsoft/Microsoft .NET Framework 3.5 AND 4.8 (generic), Microsoft/Microsoft .NET Framework 3.5 AND 4.8.1 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Microsoft/Microsoft .NET Framework 3.5 (generic), Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 (generic), Microsoft/Microsoft .NET Framework 3.5 AND 4.8 (generic), Microsoft/Microsoft .NET Framework 3.5 AND 4.8.1 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Microsoft/Microsoft .NET Framework 3.5generic | >=3.5.0 <4.8.9334.0 and 4.8.4802.0 | 4.8.9334.0 and 4.8.4802.0 |
| Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2generic | >=4.7.0 <4.8.9334.0 and 4.8.4802.0 | 4.8.9334.0 and 4.8.4802.0 |
| Microsoft/Microsoft .NET Framework 3.5 AND 4.8generic | >=4.8.0 <4.8.9334.0 and 4.8.4802.0 | 4.8.9334.0 and 4.8.4802.0 |
| Microsoft/Microsoft .NET Framework 3.5 AND 4.8.1generic | >=4.8.1 <4.8.9334.0 and 4.8.4802.0 | 4.8.9334.0 and 4.8.4802.0 |
| Microsoft/Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2generic | >=4.7.0 <4.8.9334.0 and 4.8.4802.0 | 4.8.9334.0 and 4.8.4802.0 |
| Microsoft/Microsoft .NET Framework 4.8generic | >=4.8.0 <4.8.9334.0 and 4.8.4802.0 | 4.8.9334.0 and 4.8.4802.0 |
| Microsoft/Microsoft Visual Studio 2022 version 17.12generic | >=17.12.0 <17.12.20 | 17.12.20 |
| Microsoft/Microsoft Visual Studio 2022 version 17.14generic | >=17.14.0 <17.14.32 | 17.14.32 |
| Microsoft/Microsoft Visual Studio 2026 version 18.5generic | >=18.5.0 <18.5.3 | 18.5.3 |
| Microsoft/.NET 10.0generic | >=10.0.0 <10.0.8 | 10.0.8 |
| Microsoft/.NET 8.0generic | >=8.0.0 <8.0.27 | 8.0.27 |
| Microsoft/.NET 9.0generic | >=9.0.0 <9.0.16 | 9.0.16 |
Published upstream
May 12, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 19, 2026
A flaw was found in dotnet. A heap-based buffer overflow in .NET allows an unauthenticated attacker to elevate privileges locally.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-32177 records a High severity (CVSS 7.3) vulnerability in .NET Elevation of Privilege Vulnerability. The current sources do not mark it as known exploited. The current feed maps Microsoft/Microsoft .NET Framework 3.5 (generic), Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 (generic), Microsoft/Microsoft .NET Framework 3.5 AND 4.8 (generic), Microsoft/Microsoft .NET Framework 3.5 AND 4.8.1 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Microsoft/Microsoft .NET Framework 3.5 (generic), Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 (generic), Microsoft/Microsoft .NET Framework 3.5 AND 4.8 (generic), Microsoft/Microsoft .NET Framework 3.5 AND 4.8.1 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Microsoft/Microsoft .NET Framework 3.5generic | >=3.5.0 <4.8.9334.0 and 4.8.4802.0 | 4.8.9334.0 and 4.8.4802.0 |
| Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2generic | >=4.7.0 <4.8.9334.0 and 4.8.4802.0 | 4.8.9334.0 and 4.8.4802.0 |
| Microsoft/Microsoft .NET Framework 3.5 AND 4.8generic | >=4.8.0 <4.8.9334.0 and 4.8.4802.0 | 4.8.9334.0 and 4.8.4802.0 |
| Microsoft/Microsoft .NET Framework 3.5 AND 4.8.1generic | >=4.8.1 <4.8.9334.0 and 4.8.4802.0 | 4.8.9334.0 and 4.8.4802.0 |
| Microsoft/Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2generic | >=4.7.0 <4.8.9334.0 and 4.8.4802.0 | 4.8.9334.0 and 4.8.4802.0 |
| Microsoft/Microsoft .NET Framework 4.8generic | >=4.8.0 <4.8.9334.0 and 4.8.4802.0 | 4.8.9334.0 and 4.8.4802.0 |
| Microsoft/Microsoft Visual Studio 2022 version 17.12generic | >=17.12.0 <17.12.20 | 17.12.20 |
| Microsoft/Microsoft Visual Studio 2022 version 17.14generic | >=17.14.0 <17.14.32 | 17.14.32 |
| Microsoft/Microsoft Visual Studio 2026 version 18.5generic | >=18.5.0 <18.5.3 | 18.5.3 |
| Microsoft/.NET 10.0generic | >=10.0.0 <10.0.8 | 10.0.8 |
| Microsoft/.NET 8.0generic | >=8.0.0 <8.0.27 | 8.0.27 |
| Microsoft/.NET 9.0generic | >=9.0.0 <9.0.16 | 9.0.16 |
Published upstream
May 12, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 19, 2026
A flaw was found in dotnet. A heap-based buffer overflow in .NET allows an unauthenticated attacker to elevate privileges locally.
Quoted source text, attributed separately from HOL analysis.