CVE-2026-47304.NET Security Feature Bypass Vulnerability

Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.

9.8 CRITICALEPSS 0.28%Not in KEVNVD: Analyzed

Last updated: 2026-11-01 17:33 UTC

OverviewCVSS details

9.8CRITICALCVSS 3.1

.NET 10.0 runtime (Microsoft)

0.28%chance of exploitation in 30 days

Higher than 21.20% of CVEs

9.8Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

8.1High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

8.1High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Overview

Score	Severity	Version	Vector String
9.8	CRITICAL	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.1	HIGH	3.1microsoft (CNA)	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
8.1	HIGH	3.1microsoft (CNA)	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

CVE ID: CVE-2026-47304
Status: Analyzed
Assigner (CNA): microsoft
Published: Jul 14, 2026
Last modified: 2026-11-01 17:33 UTC
Weaknesses: CWE-347 · Improper Verification of Cryptographic Signature
CWE-345 · Insufficient Verification of Data Authenticity

Refreshed hourly from the sources above. Last fetched 2026-11-08 08:35 UTC.