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CVE-2026-50447Patch(microsoft / windows_10_1607)

LOWCVSS 9.8 · CRITICAL

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Patch microsoft windows_10_1607 systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over a network.

microsoft CVEsBack to dashboard
1.0/ 10 priority

Sources & remediation

Patch / fix
Weakness type (CWE)
CWE-122

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • windows_10_1607
  • windows_10_1809
  • windows_10_21h2
  • windows_10_22h2

Threat summary

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

What's happening

  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 2 signals
  • 2 total mentions across 1 day

Affected systems

Vendors
microsoft
Products
windows_10_1607windows_10_1809windows_10_21h2windows_10_22h2windows_11_24h2windows_11_25h2windows_11_26h1windows_server_2012windows_server_2016windows_server_2019

2 versions affected across 12 products

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-07-15: 2Patch / Workaround · 2026-07-15: 2Technical Details · 2026-07-15: 207-15
Signal classification1 categories
Patch
2100.0%
Referenced assets2 URLs
Full discourse2 posts
  • SecAlerts@SecAlertsCo
    Patch

    📨 Windows MSMQ has a heap buffer overflow — CVE-2026-50447 allows unauthenticated RCE over the network (CVSS 9.8). Affects Windows 10/11 and Server 2012 through 2025. Patch now. #Windows #infosec https://secalerts.co/vulnerability/CVE-2026-50447?utm_campaign=x https://t.co/pA1TxmXNYF

    Post summary

    The tweet announces a Windows MSMQ heap buffer overflow CVE‑2026-50447 that permits unauthenticated remote code execution and urges users to apply the available patch.

    00000146
    858 followersView on X
  • Windows Forum@windowsforum
    Patch

    🪟 MSMQ has a 9.8 unauthenticated RCE—no login, no clicks, just a network path to chaos. If July’s Windows updates are waiting, stop treating “Restart later” like a security strategy. https://windowsforum.com/threads/cve-2026-50447-patch-9-8-msmq-rce-with-july-windows-updates.438533/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #WindowsSecurity #SecurityUpdates #RemoteCodeExecution #MsmqVulnerabil… https://t.co/Of6JcooN7b

    Post summary

    The tweet announces a critical MSMQ RCE (CVE‑2026‑50447) with no authentication and directs users to apply July Windows updates to remediate the flaw.

    0000028
    1.2K followersView on X
CPE platform detail22 entries

22 of 22 entries

PartVendorProductVersionTarget SWTarget HW
OSmicrosoftwindows_10_1607--x64
OSmicrosoftwindows_10_1607--x86
OSmicrosoftwindows_10_1809--x64
OSmicrosoftwindows_10_1809--x86
OSmicrosoftwindows_10_21h2--arm64
OSmicrosoftwindows_10_21h2--x64
OSmicrosoftwindows_10_21h2--x86
OSmicrosoftwindows_10_22h2--arm64
OSmicrosoftwindows_10_22h2--x64
OSmicrosoftwindows_10_22h2--x86
OSmicrosoftwindows_11_24h2--arm64
OSmicrosoftwindows_11_24h2--x64
OSmicrosoftwindows_11_25h2--arm64
OSmicrosoftwindows_11_25h2--x64
OSmicrosoftwindows_11_26h1--arm64
OSmicrosoftwindows_11_26h1--x64
OSmicrosoftwindows_server_2012---
OSmicrosoftwindows_server_2012r2--
OSmicrosoftwindows_server_2016---
OSmicrosoftwindows_server_2019---
OSmicrosoftwindows_server_2022---
OSmicrosoftwindows_server_2025---

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