VulnerabilityModified
CVE-2026-32177
Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.
HIGH 7.3EPSS 0.55%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.55%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.
- CVSS 3.1
- 7.3 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
- EPSS
- 0.55% probability · 44th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20, CWE-122, CWE-787
- Affected
- microsoft/visual studio 2022 · microsoft/visual studio 2026 · microsoft/.net framework · microsoft/.net
- Source
- secure@microsoft.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.