CVE-2026-26127 (GCVE-0-2026-26127)

Vulnerability from cvelistv5 – Published: 2026-03-10 17:05 – Updated: 2026-04-14 16:36
VLAI
Title
.NET Denial of Service Vulnerability
Summary
Out-of-bounds read in .NET allows an unauthorized attacker to deny service over a network.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
CWE
Assigner
References
Impacted products
Vendor Product Version
Microsoft .NET 10.0 Affected: 10.0.0 , < 10.0.4 (custom)
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Microsoft .NET 9.0 Affected: 9.0.0 , < 9.0.14 (custom)
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Microsoft Microsoft.Bcl.Memory Affected: 10.0.0 , < 10.0.4 (custom)
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Microsoft Microsoft.Bcl.Memory Affected: 9.0.0 , < 9.0.14 (custom)
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Date Public
2026-03-10 14:00
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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.