CVE-2026-50527

Aliases:GHSA-mmjf-rqrv-855v
Advisory lineage Upstream: 0 Downstream: 3
PUBLISHED
Published: 14 Jul 2026, 19:29
Last modified:22 Jul 2026, 20:32

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.1 (cve.org)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

14 Jul 2026, 19:29
Published
Vulnerability first disclosed
22 Jul 2026, 20:32
Last Modified
Vulnerability information updated

Description

Stack-based buffer overflow in .NET Framework allows an unauthorized attacker to deny service over a network.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Techniques & Countermeasures

  • CWE-121•Stack-based Buffer Overflow

    A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

Affected Systems

  • microsoft•microsoft .net framework 3.5

    ≥ 3.5.0, < 2.0.50727.8983 & 3.0.30729.8978

  • microsoft•microsoft .net framework 3.5 and 4.7.2

    ≥ 4.7.0, < 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0

  • microsoft•microsoft .net framework 3.5 and 4.8

    ≥ 4.8.0, < 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0

  • microsoft•microsoft .net framework 3.5 and 4.8.1

    ≥ 4.8.1, < 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0

  • microsoft•microsoft .net framework 4.6.2/4.7/4.7.1/4.7.2

    ≥ 4.7.0, < 4.7.4143.0

  • microsoft•microsoft .net framework 4.8

    ≥ 4.8.0, < 4.8.4803.0

  • microsoft•microsoft visual studio 2022 version 17.12

    ≥ 17.12.0, < 17.12.22

  • microsoft•microsoft visual studio 2022 version 17.14

    ≥ 17.14.0, < 17.14.36

  • microsoft•microsoft visual studio 2026 version 18.7

    ≥ 18.0, < 18.7.4

  • microsoft•.net 10.0

    ≥ 10.0.0, < 10.0.6 | ≥ 10.0.0, < 10.0.10

  • microsoft•.net 8.0

    ≥ 8.0.0, < 8.0.29

  • microsoft•.net 9.0

    ≥ 9.0.0, < 9.0.18

  • NuGet•System.Security.Cryptography.Xml

    ≥ 10.0.0, < 10.0.10 | ≥ 9.0.0, < 9.0.18 | ≥ 8.0.0, < 8.0.4

References (6)