CVE-2026-56158Patch

LOW

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

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0.5/ 10 priority

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

Patch or workaround signal is available
1 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Patch

1100.0%

Referenced assets1 URL

By indicator

https://github.com/dotnet/core/blob/main/release-notes/10.0/10.0.10/10.0.10.md

Full discourse1 post

Kevin Gosse@KooKiz91d
Patch
The latest Microsoft Patch Tuesday included my first 3 CVEs 🥳 All RCEs, fixed in .NET 10.0.10. https://github.com/dotnet/core/blob/main/release-notes/10.0/10.0.10/10.0.10.md CVE-2026-56158 (which is 404, for some reason), CVE-2026-50646 (co-attributed to @Ky0toFu who found it faster than I did), and CVE-2026-50649.
Post summary
Microsoft Patch Tuesday included three new RCE CVEs (2026-56158, 50646, 50649) that are fixed in .NET 10.0.10, with a link to the release notes.
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