Is CVE-2026-50528 in the CISA KEV catalog?

No. CVE-2026-50528 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-50528?

CVE-2026-50528 has a CVSS v3 base score of 8.2 (Important).

What is the EPSS score for CVE-2026-50528?

CVE-2026-50528 has an EPSS score of 0.44% (35th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-50528?

Upgrade aspnetcore-runtime-10.0 on ubuntu 24.04 to 10.0.10-0ubuntu1~24.04.1 or later. Fixes are available for 13 affected products.

CVE & CISA-KEV Catalog

CVE-2026-50528

HIGH

8.2

CVSS v3

NVD

Description

Incorrect authorization in .NET allows an unauthorized attacker to bypass a security feature over a network.

CWE-302 CWE-636 CWE-863Incorrect Authorization

How to fix

Remediation Available

aspnetcore-runtime-10.0Ubuntu

Fixed in:10.0.10-0ubuntu1~24.04.1USN-8553-1

aspnetcore-runtime-8.0Ubuntu

Fixed in:8.0.29-0ubuntu1~22.04.1USN-8553-1

Fixed in:8.0.29-0ubuntu1~24.04.1USN-8553-1

dotnet-host-10.0Ubuntu

Fixed in:10.0.10-0ubuntu1~24.04.1USN-8553-1

dotnet-host-8.0Ubuntu

Fixed in:8.0.29-0ubuntu1~22.04.1USN-8553-1

Fixed in:8.0.29-0ubuntu1~24.04.1USN-8553-1

dotnet-hostfxr-10.0Ubuntu

Fixed in:10.0.10-0ubuntu1~24.04.1USN-8553-1

dotnet-hostfxr-8.0Ubuntu

Fixed in:8.0.29-0ubuntu1~22.04.1USN-8553-1

Fixed in:8.0.29-0ubuntu1~24.04.1USN-8553-1

dotnet-runtime-10.0Ubuntu

Fixed in:10.0.10-0ubuntu1~24.04.1USN-8553-1

dotnet-runtime-8.0Ubuntu

Fixed in:8.0.29-0ubuntu1~22.04.1USN-8553-1

Fixed in:8.0.29-0ubuntu1~24.04.1USN-8553-1

dotnet-sdk-10.0Ubuntu

Fixed in:10.0.110-0ubuntu1~24.04.1USN-8553-1

dotnet-sdk-8.0Ubuntu

Fixed in:8.0.129-0ubuntu1~22.04.1USN-8553-1

Fixed in:8.0.129-0ubuntu1~24.04.1USN-8553-1

dotnet-sdk-aot-10.0Ubuntu

Fixed in:10.0.110-0ubuntu1~24.04.1USN-8553-1

dotnet10Ubuntu

Fixed in:10.0.110-10.0.10-0ubuntu1~24.04.1USN-8553-1

dotnet8Ubuntu

Fixed in:8.0.129-8.0.29-0ubuntu1~22.04.1USN-8553-1

Fixed in:8.0.129-8.0.29-0ubuntu1~24.04.1USN-8553-1

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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.44%probability of exploitation in 30 days

35thpercentile

Low risk: more likely to be exploited than 35% of all known CVEs.

References

Other references1

msrc.microsoft.com

Related Vulnerabilities

Other CWE-302 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-43441	Critical	9.8	70%	-	Fix
CVE-2024-4024	High	7.3	15%	-	Fix
CVE-2016-9482	Critical	9.8	4.7%	-	-
CVE-2025-29813	Critical	10.0	1.5%	-	-
CVE-2020-15074	High	7.5	1.0%	-	Fix
CVE-2024-49056	High	7.3	1.0%	-	-

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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 2026-07-15.