CVE-2026-32177 (GCVE-0-2026-32177)

Vulnerability from cvelistv5 – Published: 2026-05-12 16:58 – Updated: 2026-06-30 12:07
VLAI
Title
.NET Elevation of Privilege Vulnerability
Summary
Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.
Severity
7.3 (High)
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
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-122 - Heap-based Buffer Overflow
  • CWE-20 - Improper Input Validation
Assigner
References
Impacted products
Vendor Product Version
Microsoft .NET 10.0 Affected: 10.0.0 , < 10.0.8 (custom)
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Microsoft .NET 8.0 Affected: 8.0.0 , < 8.0.27 (custom)
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Microsoft .NET 9.0 Affected: 9.0.0 , < 9.0.16 (custom)
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Microsoft Microsoft .NET Framework 3.5 Affected: 3.5.0 , < 4.8.9334.0 and 4.8.4802.0 (custom)
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Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 Affected: 4.7.0 , < 4.8.9334.0 and 4.8.4802.0 (custom)
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Microsoft Microsoft .NET Framework 3.5 AND 4.8 Affected: 4.8.0 , < 4.8.9334.0 and 4.8.4802.0 (custom)
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Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 Affected: 4.8.1 , < 4.8.9334.0 and 4.8.4802.0 (custom)
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Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 Affected: 4.7.0 , < 4.8.9334.0 and 4.8.4802.0 (custom)
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Microsoft Microsoft .NET Framework 4.8 Affected: 4.8.0 , < 4.8.9334.0 and 4.8.4802.0 (custom)
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Microsoft Microsoft Visual Studio 2022 version 17.12 Affected: 17.12.0 , < 17.12.20 (custom)
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Microsoft Microsoft Visual Studio 2022 version 17.14 Affected: 17.14.0 , < 17.14.32 (custom)
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Microsoft Microsoft Visual Studio 2026 version 18.5 Affected: 18.5.0 , < 18.5.3 (custom)
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Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
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Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
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Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
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Red Hat Red Hat Hardened Images     cpe:/a:redhat:hummingbird:1
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Date Public
2026-05-12 14:00
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      "cveMetadata": "{\"cveId\": \"CVE-2026-32177\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-19T16:13:23.878Z\", \"dateReserved\": \"2026-03-11T00:26:53.425Z\", \"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"datePublished\": \"2026-05-12T16:58:15.551Z\", \"assignerShortName\": \"microsoft\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.