VulnSocial

CVE-2026-50666Patch(microsoft / windows_10_1607)

LOWCVSS 8.8 · HIGH

Signal is active with 1 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

Use after free in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges over a network.

microsoft CVEsBack to dashboard
1.0/ 10 priority

Sources & remediation

Patch / fix
Weakness type (CWE)
CWE-416

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

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 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 2 signals
  • Peaked 1d ago at 1 mentions (2026-07-15); latest day: 1
  • 2 total mentions across 2 days

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

1 version affected across 12 products

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-07-15: 1Mentions · 2026-07-18: 1Patch / Workaround · 2026-07-15: 1Patch / Workaround · 2026-07-18: 1Technical Details · 2026-07-15: 1Technical Details · 2026-07-18: 107-1507-18
Signal classification1 categories
Patch
2100.0%
Referenced assets1 URL
Full discourse2 posts
  • DFIR Lab@DFIR_Lab
    Patch

    🚨 HIGH SEVERITY: CVE-2026-50666 (CVSS 8.8) Use-after-free in Windows Remote Access Connection Manager enables privilege escalation over network. Authenticated attacker, no user interaction needed. Patch immediately. #CVE #Vulnerability #PatchNow #ThreatIntel https://t.co/t1w0QwRQa6

    Post summary

    The tweet announces a high‑severity CVE-2026-50666 use‑after‑free vulnerability that requires immediate patching, without providing exploit details or active exploitation claims.

    0000045
    82 followersView on X
  • Windows Forum@windowsforum
    Patch

    🪟 Windows RasMan had a use-after-free bug letting authenticated attackers grab higher privileges over the network. Patch CVE-2026-50666—because “remote access” shouldn’t mean “remote admin.” https://windowsforum.com/threads/cve-2026-50666-patch-windows-rasman-remote-privilege-escalation.438617/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #WindowsSecurity #RemoteAccess #PatchManagement #Cve202650666 https://t.co/B4y5JxTlit

    Post summary

    The post announces that CVE-2026-50666, a use‑after‑free flaw in Windows RasMan, allows privilege escalation and provides information about the patch issued to fix it.

    0000040
    1.2K followersView on X
CPE platform detail21 entries

21 of 21 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_2012r2--
OSmicrosoftwindows_server_2016---
OSmicrosoftwindows_server_2019---
OSmicrosoftwindows_server_2022---
OSmicrosoftwindows_server_2025---

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