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CVE

CVE-2026-21218

Improper handling of missing special element in .NET allows an unauthorized attacker to perform spoofing over a network.
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CVE

CVE-2026-21218

Improper handling of missing special element in .NET allows an unauthorized attacker to perform spoofing over a network.

Improper handling of missing special element in .NET allows an unauthorized attacker to perform spoofing over a network.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
7.5
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
C
H
U
-

Related Resources

No items found.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21218

Severity

7.5

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
7.5
EPSS Probability
0.00045%
EPSS Percentile
0.13806%
Introduced Version
0e06b3b745aaf3f2f96e5f163773d20f8c7f7f50,0
Fix Available
2d76eea456bdaf1092f06b3431f08b2dcfd2d1d6,0:8.0.24-0ubuntu1~24.04.1,0:8.0.124-0ubuntu1~24.04.1,0:8.0.124-8.0.24-0ubuntu1~24.04.1,0:10.0.3-0ubuntu1~24.04.1,0:10.0.103-0ubuntu1~24.04.1,0:10.0.103-10.0.3-0ubuntu1~24.04.1,0:8.0.24-0ubuntu1~22.04.1,0:8.0.124-0ubuntu1~22.04.1,0:8.0.124-8.0.24-0ubuntu1~22.04.1,8.0.24-r0,9.0.13-r0,10.0.3-r0,10.0.103-r0,8.0.124-r0,9.0.114-r0

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