CVE-2026-47304
published 2026-07-14CVE-2026-47304: Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.
PriorityP351high8.1CVSS 3.1
AVNACHPRNUINSUCHIHAH
EPSS
0.20%
10.1th percentile
Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | microsoft_net_framework_3.5 | >= 3.5.0 < 2.0.50727.8983 & 3.0.30729.8978 | 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 | 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 | 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 | 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 | 4.7.4143.0 |
| microsoft | microsoft_net_framework_4.8 | >= 4.8.0 < 4.8.4803.0 | 4.8.4803.0 |
| microsoft | microsoft_visual_studio_2022_version_17.12 | >= 17.12.0 < 17.12.22 | 17.12.22 |
| microsoft | microsoft_visual_studio_2022_version_17.14 | >= 17.14.0 < 17.14.36 | 17.14.36 |
| microsoft | microsoft_visual_studio_2026_version_18.7 | >= 18.0 < 18.7.4 | 18.7.4 |
CVSS provenance
nvdv3.18.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
vendor_redhat8.1HIGH
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Rapid7
Patch Tuesday - July 2026
blogs_rapid7·2026-07-14·CVSS 9.6
CVE-2026-58617 [CRITICAL] Patch Tuesday - July 2026
Microsoft is publishing 622 vulnerabilities on July 2026 Patch Tuesday , including a record-breaking 416 Windows vulnerabilities. Microsoft is aware of exploitation in the wild for two of the vulnerabilities published today, both of which are listed on CISA KEV, as well as public disclosure for one other. As usual, browser vulns are not included in the Patch Tuesday count above. Rapid7 noted last month that Microsoft no longer enumerates Chromium CVEs in the Security Update Guide. However, Microsoft has now taken the pursuit of minimalism much further, since today’s Security Update Guide no longer lists out even Microsoft vulnerabilities! Instead, we now receive a summary table of vulnerability counts by product family, as well as a new slimline “Notable CVEs” section. All of this only ser
Sans Isc
Microsoft Patch Tuesday July 2026 - The AI Acopolypse is Here , (Tue, Jul 14th)
blogs_sans_isc·2026-07-14·CVSS 6.1
CVE-2026-56155 [MEDIUM] Microsoft Patch Tuesday July 2026 - The AI Acopolypse is Here , (Tue, Jul 14th)
Microsoft Patch Tuesday July 2026 - The AI Acopolypse is Here
Published: 2026-07-14. Last Updated: 2026-07-14 19:14:58 UTC
by Johannes Ullrich (Version: 1)
0 comment(s)
This patch Tuesday includes a staggering 622 vulnerabilities, not including another 427 vulnerabilities in Chromium, affecting Microsoft's Edge browser. 62 of the vulnerabilities are rated critical. One was disclosed before today, and two have already been exploited.
Given the large number of vulnerabilities, it is difficult to point out "noteworthy" issues.
Already exploited vulnerabilities:
CVE-2026-56155 : Active Directory Federation Services Elevation of Privilege Vulnerability. This is an important (not critical) vulnerablity.
CVE-2026-56164: Microsoft SharePoint Server Elevation of Privilege Vulnerability. Micr
Bugzilla
CVE-2026-47304 dotnet10.0: .NET Security Feature Bypass Vulnerability [fedora-all]
bugzilla·2026-07-16·CVSS 8.1
CVE-2026-47304 [HIGH] CVE-2026-47304 dotnet10.0: .NET Security Feature Bypass Vulnerability [fedora-all]
CVE-2026-47304 dotnet10.0: .NET Security Feature Bypass Vulnerability [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.
Bugzilla
CVE-2026-47304 dotnet8.0: .NET Security Feature Bypass Vulnerability [fedora-all]
bugzilla·2026-07-16·CVSS 8.1
CVE-2026-47304 [HIGH] CVE-2026-47304 dotnet8.0: .NET Security Feature Bypass Vulnerability [fedora-all]
CVE-2026-47304 dotnet8.0: .NET Security Feature Bypass Vulnerability [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.
Bugzilla
CVE-2026-47304 dotnet9.0: .NET Security Feature Bypass Vulnerability [fedora-all]
bugzilla·2026-07-16·CVSS 8.1
CVE-2026-47304 [HIGH] CVE-2026-47304 dotnet9.0: .NET Security Feature Bypass Vulnerability [fedora-all]
CVE-2026-47304 dotnet9.0: .NET Security Feature Bypass Vulnerability [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.
Bugzilla
CVE-2026-47304 dotnet: .NET Security Feature Bypass Vulnerability
bugzilla·2026-07-14·CVSS 8.1
CVE-2026-47304 [HIGH] CVE-2026-47304 dotnet: .NET Security Feature Bypass Vulnerability
CVE-2026-47304 dotnet: .NET Security Feature Bypass Vulnerability
Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.
2026-07-14
Published