CVE-2026-96957

HIGH

8.8

CVSS v3

Description

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

CWE-347

How to fix

Remediation Available

aspnetcore-runtime-10.0Rocky

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el8_10RHSA-2026:86192

aspnetcore-runtime-10.0Red Hat / RHEL

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el8_10RHSA-2026:86192

aspnetcore-runtime-dbg-10.0Rocky

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el8_10RHSA-2026:86192

aspnetcore-runtime-dbg-10.0Red Hat / RHEL

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el8_10RHSA-2026:86192

aspnetcore-targeting-pack-10.0Rocky

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el8_10RHSA-2026:86192

aspnetcore-targeting-pack-10.0Red Hat / RHEL

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el8_10RHSA-2026:86192

dotnetRed Hat / RHEL

Fixed in:0:10.0.113-1.el8_10RHSA-2026:86192

dotnetRocky

Fixed in:0:10.0.113-1.el8_10RHSA-2026:86192

dotnet-apphost-pack-10.0Rocky

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el8_10RHSA-2026:86192

dotnet-apphost-pack-10.0Red Hat / RHEL

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el8_10RHSA-2026:86192

dotnet-apphost-pack-10.0-debuginfoRocky

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el8_10RHSA-2026:86192

dotnet-apphost-pack-10.0-debuginfoRed Hat / RHEL

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el8_10RHSA-2026:86192

dotnet-hostRed Hat / RHEL

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el9_8RHSA-2026:86193

dotnet-hostRocky

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el9_8RHSA-2026:86193

dotnet-host-debuginfoRocky

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el9_8RHSA-2026:86193

dotnet-host-debuginfoRed Hat / RHEL

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el9_8RHSA-2026:86193

dotnet-hostfxr-10.0Rocky

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el8_10RHSA-2026:86192

dotnet-hostfxr-10.0Red Hat / RHEL

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el8_10RHSA-2026:86192

dotnet-hostfxr-10.0-debuginfoRocky

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el8_10RHSA-2026:86192

dotnet-hostfxr-10.0-debuginfoRed Hat / RHEL

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el8_10RHSA-2026:86192

dotnet-runtime-10.0Red Hat / RHEL

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el8_10RHSA-2026:86192

dotnet-runtime-10.0Rocky

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el8_10RHSA-2026:86192

dotnet-runtime-10.0-debuginfoRocky

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el8_10RHSA-2026:86192

dotnet-runtime-10.0-debuginfoRed Hat / RHEL

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el8_10RHSA-2026:86192

dotnet-runtime-dbg-10.0Red Hat / RHEL

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el8_10RHSA-2026:86192

dotnet-runtime-dbg-10.0Rocky

Fixed in:0:10.0.13-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.13-1.el8_10RHSA-2026:86192

dotnet-sdk-10.0Red Hat / RHEL

Fixed in:0:10.0.113-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.113-1.el8_10RHSA-2026:86192

dotnet-sdk-10.0Rocky

Fixed in:0:10.0.113-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.113-1.el8_10RHSA-2026:86192

dotnet-sdk-10.0-debuginfoRed Hat / RHEL

Fixed in:0:10.0.113-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.113-1.el8_10RHSA-2026:86192

dotnet-sdk-10.0-debuginfoRocky

Fixed in:0:10.0.113-1.el10_2RHSA-2026:86195

Fixed in:0:10.0.113-1.el8_10RHSA-2026:86192

This vulnerability affects an unusually large number of packages. The highest-confidence fixes are shown above; the full list is longer. Check the referenced advisories for complete coverage.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.45%probability of exploitation in 30 days

38thpercentile

Low risk: more likely to be exploited than 38% of all known CVEs.

References

Vendor Advisory1

msrc.microsoft.com

Related Vulnerabilities

Other CWE-347 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2018-16042	Medium	6.5	82%	-	-
CVE-2025-59718	Critical	9.8	68%	KEV	Fix
CVE-2025-25292	Critical	9.8	65%	-	Fix
CVE-2021-22160	Critical	9.8	53%	-	Fix
CVE-2013-3900	Medium	5.5	45%	KEV	-
CVE-2018-0114	High	7.5	43%	-	Fix

Common questions

How do I fix CVE-2026-96957?

Published advisories record a fix for 66 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2026-96957 being actively exploited?

Not that we know of. CVE-2026-96957 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.45% is the estimated probability that it will be exploited in the next 30 days. That is higher than 38% of all scored CVEs.

How severe is CVE-2026-96957?

CVE-2026-96957 has a CVSS v3 base score of 8.8, rated important. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-96957 affect?

Published advisories record a fix for aspnetcore-runtime-10.0 (Rocky), aspnetcore-runtime-10.0 (Red Hat / RHEL), aspnetcore-runtime-dbg-10.0 (Rocky), aspnetcore-runtime-dbg-10.0 (Red Hat / RHEL), and 62 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-10-22.