CVE-2026-32177 PUBLISHED

.NET Elevation of Privilege Vulnerability

Assigner: microsoft
Reserved: 11.03.2026 Published: 12.05.2026 Updated: 13.05.2026

Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.

Metrics

CVSS Vector: 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
CVSS Score: 7.3

Product Status

Vendor Microsoft
Product .NET 10.0
Versions
  • affected from 10.0.0 to 10.0.8 (excl.)
Vendor Microsoft
Product .NET 8.0
Versions
  • affected from 8.0.0 to 8.0.27 (excl.)
Vendor Microsoft
Product .NET 9.0
Versions
  • affected from 9.0.0 to 9.0.16 (excl.)
Vendor Microsoft
Product Microsoft .NET Framework 3.5
Versions
  • affected from 3.5.0 to 4.8.9334.0 and 4.8.4802.0 (excl.)
Vendor Microsoft
Product Microsoft .NET Framework 3.5 AND 4.7.2
Versions
  • affected from 4.7.0 to 4.8.9334.0 and 4.8.4802.0 (excl.)
Vendor Microsoft
Product Microsoft .NET Framework 3.5 AND 4.8
Versions
  • affected from 4.8.0 to 4.8.9334.0 and 4.8.4802.0 (excl.)
Vendor Microsoft
Product Microsoft .NET Framework 3.5 AND 4.8.1
Versions
  • affected from 4.8.1 to 4.8.9334.0 and 4.8.4802.0 (excl.)
Vendor Microsoft
Product Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2
Versions
  • affected from 4.7.0 to 4.8.9334.0 and 4.8.4802.0 (excl.)
Vendor Microsoft
Product Microsoft .NET Framework 4.8
Versions
  • affected from 4.8.0 to 4.8.9334.0 and 4.8.4802.0 (excl.)
Vendor Microsoft
Product Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)
Versions
  • affected from 15.9.0 to 15.9.80 (excl.)
Vendor Microsoft
Product Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)
Versions
  • affected from 16.11.0 to 16.11.56 (excl.)
Vendor Microsoft
Product Microsoft Visual Studio 2022 version 17.12
Versions
  • affected from 17.12.0 to 17.12.20 (excl.)
Vendor Microsoft
Product Microsoft Visual Studio 2022 version 17.14
Versions
  • affected from 17.14.0 to 17.14.31 (excl.)
Vendor Microsoft
Product Microsoft Visual Studio 2026 version 18.5
Versions
  • affected from 18.5.0 to 18.5.3 (excl.)

References

Problem Types