๐Ÿ” CVE Alert

CVE-2026-118747

HIGH 7.5

.NET Denial of Service Vulnerability

CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th

Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.

Vendor microsoft
Product system.formats.cbor
Ecosystems
Industries
TechnologyEnterprise
Published Nov 10, 2026
Last Updated Nov 10, 2026
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CVSS v3 Breakdown

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
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

Microsoft / System.Formats.Cbor
10.0.0 < 9.0.24

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
msrc.microsoft.com: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118747