High severity7.5NVD Advisory· Published Jul 14, 2026· Updated Jul 24, 2026
CVE-2026-50527
CVE-2026-50527
Description
Stack-based buffer overflow in .NET Framework allows an unauthorized attacker to deny service over a network.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
System.Security.Cryptography.XmlNuGet | >= 10.0.0, < 10.0.10 | 10.0.10 |
System.Security.Cryptography.XmlNuGet | >= 9.0.0, < 9.0.18 | 9.0.18 |
System.Security.Cryptography.XmlNuGet | >= 8.0.0, < 8.0.4 | 8.0.4 |
Affected products
60cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*+ 6 more
- cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*range: >=17.12.0,<17.12.22
- cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*range: >=18.7.0,<18.7.4
- osv-coords49 versionspkg:apk/chainguard/dotnet-bootstrap-8pkg:apk/chainguard/dotnet-bootstrap-9pkg:apk/chainguard/promitorpkg:apk/wolfi/dotnet-bootstrap-8pkg:apk/wolfi/dotnet-bootstrap-9pkg:apk/wolfi/promitorpkg:bitnami/dotnetpkg:bitnami/dotnet-sdkpkg:rpm/almalinux/aspnetcore-runtime-10.0pkg:rpm/almalinux/aspnetcore-runtime-8.0pkg:rpm/almalinux/aspnetcore-runtime-9.0pkg:rpm/almalinux/aspnetcore-runtime-dbg-10.0pkg:rpm/almalinux/aspnetcore-runtime-dbg-8.0pkg:rpm/almalinux/aspnetcore-runtime-dbg-9.0pkg:rpm/almalinux/aspnetcore-targeting-pack-10.0pkg:rpm/almalinux/aspnetcore-targeting-pack-8.0pkg:rpm/almalinux/aspnetcore-targeting-pack-9.0pkg:rpm/almalinux/dotnetpkg:rpm/almalinux/dotnet-apphost-pack-10.0pkg:rpm/almalinux/dotnet-apphost-pack-8.0pkg:rpm/almalinux/dotnet-apphost-pack-9.0pkg:rpm/almalinux/dotnet-hostpkg:rpm/almalinux/dotnet-hostfxr-10.0pkg:rpm/almalinux/dotnet-hostfxr-8.0pkg:rpm/almalinux/dotnet-hostfxr-9.0pkg:rpm/almalinux/dotnet-runtime-10.0pkg:rpm/almalinux/dotnet-runtime-8.0pkg:rpm/almalinux/dotnet-runtime-9.0pkg:rpm/almalinux/dotnet-runtime-dbg-10.0pkg:rpm/almalinux/dotnet-runtime-dbg-8.0pkg:rpm/almalinux/dotnet-runtime-dbg-9.0pkg:rpm/almalinux/dotnet-sdk-10.0pkg:rpm/almalinux/dotnet-sdk-10.0-source-built-artifactspkg:rpm/almalinux/dotnet-sdk-8.0pkg:rpm/almalinux/dotnet-sdk-8.0-source-built-artifactspkg:rpm/almalinux/dotnet-sdk-9.0pkg:rpm/almalinux/dotnet-sdk-9.0-source-built-artifactspkg:rpm/almalinux/dotnet-sdk-aot-10.0pkg:rpm/almalinux/dotnet-sdk-aot-9.0pkg:rpm/almalinux/dotnet-sdk-dbg-10.0pkg:rpm/almalinux/dotnet-sdk-dbg-8.0pkg:rpm/almalinux/dotnet-sdk-dbg-9.0pkg:rpm/almalinux/dotnet-targeting-pack-10.0pkg:rpm/almalinux/dotnet-targeting-pack-8.0pkg:rpm/almalinux/dotnet-targeting-pack-9.0pkg:rpm/almalinux/dotnet-templates-10.0pkg:rpm/almalinux/dotnet-templates-8.0pkg:rpm/almalinux/dotnet-templates-9.0pkg:rpm/almalinux/netstandard-targeting-pack-2.1
< 8.0.130-r0+ 48 more
- (no CPE)range: < 8.0.130-r0
- (no CPE)range: < 9.0.120-r0
- (no CPE)range: < 2.16.0-r3
- (no CPE)range: < 8.0.130-r0
- (no CPE)range: < 9.0.120-r0
- (no CPE)range: < 2.16.0-r3
- (no CPE)range: >= 8.0.0, < 8.0.29
- (no CPE)range: >= 8.0.0, < 8.0.29
- (no CPE)range: < 10.0.10-1.el10_2
- (no CPE)range: < 8.0.29-1.el10_2
- (no CPE)range: < 9.0.18-1.el10_2
- (no CPE)range: < 10.0.10-1.el10_2
- (no CPE)range: < 8.0.29-1.el10_2
- (no CPE)range: < 9.0.18-1.el10_2
- (no CPE)range: < 10.0.10-1.el10_2
- (no CPE)range: < 8.0.29-1.el10_2
- (no CPE)range: < 9.0.18-1.el10_2
- (no CPE)range: < 10.0.110-1.el8_10
- (no CPE)range: < 10.0.10-1.el10_2
- (no CPE)range: < 8.0.29-1.el10_2
- (no CPE)range: < 9.0.18-1.el10_2
- (no CPE)range: < 10.0.10-1.el10_2
- (no CPE)range: < 10.0.10-1.el10_2
- (no CPE)range: < 8.0.29-1.el10_2
- (no CPE)range: < 9.0.18-1.el10_2
- (no CPE)range: < 10.0.10-1.el10_2
- (no CPE)range: < 8.0.29-1.el10_2
- (no CPE)range: < 9.0.18-1.el10_2
- (no CPE)range: < 10.0.10-1.el10_2
- (no CPE)range: < 8.0.29-1.el10_2
- (no CPE)range: < 9.0.18-1.el10_2
- (no CPE)range: < 10.0.110-1.el10_2
- (no CPE)range: < 10.0.110-1.el10_2
- (no CPE)range: < 8.0.129-1.el10_2
- (no CPE)range: < 8.0.129-1.el10_2
- (no CPE)range: < 9.0.119-1.el10_2
- (no CPE)range: < 9.0.119-1.el10_2
- (no CPE)range: < 10.0.110-1.el10_2
- (no CPE)range: < 9.0.119-1.el10_2
- (no CPE)range: < 10.0.110-1.el10_2
- (no CPE)range: < 8.0.129-1.el10_2
- (no CPE)range: < 9.0.119-1.el10_2
- (no CPE)range: < 10.0.10-1.el10_2
- (no CPE)range: < 8.0.29-1.el10_2
- (no CPE)range: < 9.0.18-1.el10_2
- (no CPE)range: < 10.0.110-1.el10_2
- (no CPE)range: < 8.0.129-1.el10_2
- (no CPE)range: < 9.0.119-1.el10_2
- (no CPE)range: < 9.0.119-1.el10_2
Patches
Vulnerability mechanics
References
6- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50527nvdPatchVendor AdvisoryWEB
- github.com/advisories/GHSA-mmjf-rqrv-855vghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-50527ghsaADVISORY
- github.com/dotnet/announcements/issues/416ghsaWEB
- github.com/dotnet/runtime/issues/130712ghsaWEB
- github.com/dotnet/runtime/security/advisories/GHSA-mmjf-rqrv-855vghsaWEB
News mentions
3- Patch Tuesday - July 2026Rapid7 Blog · Jul 14, 2026
- Microsoft July 2026 Patch Tuesday fixes massive 570 flaws, 3 zero-daysBleepingComputer · Jul 14, 2026
- Massive Microsoft Patch Tuesday Update: 570 Vulnerabilities Fixed, Including 3 Zero-DaysCyber Security News · Jul 14, 2026