CVE-2026-32177
HIGHCVSS 7.3/10EPSS 0.55%
Last modified
CVE-2026-32177 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.
Description
Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Visual Studio 2022 | >= 17.12.0, < 17.12.20 |
| Microsoft | Visual Studio 2022 | >= 17.14.0, < 17.14.32 |
| Microsoft | Visual Studio 2026 | >= 18.5.0, < 18.5.3 |
| Microsoft | .Net Framework | 4.8 |
| Microsoft | .Net Framework | 4.6.2 |
| Microsoft | .Net Framework | 4.7 |
| Microsoft | .Net Framework | 4.7.1 |
| Microsoft | .Net Framework | 4.7.2 |
| Microsoft | .Net Framework | 3.5 |
| Microsoft | .Net Framework | 4.8.1 |
| Microsoft | .Net | >= 8.0.0, < 8.0.27 |
| Microsoft | .Net | >= 9.0.0, < 9.0.16 |
| Microsoft | .Net | >= 10.0.0, < 10.0.8 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2026-32177?
Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.
How severe is CVE-2026-32177?
CVE-2026-32177 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.
How do I fix CVE-2026-32177?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-32177?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST