CVE-2026-50364Patch(microsoft / windows_10_21h2)

LOWCVSS 7.3 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch microsoft windows_10_21h2 systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Improper link resolution before file access ('link following') in Windows Server Backup allows an authorized attacker to elevate privileges locally.

1.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-59

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_21h2
  • windows_10_22h2
  • windows_11_24h2
  • windows_11_25h2

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

Affected systems

Vendors
Products
windows_10_21h2windows_10_22h2windows_11_24h2windows_11_25h2windows_11_26h1

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-07-15: 1Patch / Workaround · 2026-07-15: 1Technical Details · 2026-07-15: 107-15
Signal classification1 categories
Patch
1100.0%
Referenced assets1 URL
Full discourse1 post
  • Windows Forum@windowsforum
    Patch

    🪟 Windows Backup can turn a low-privilege account into admin via a link-resolution flaw. Patch CVE-2026-50364 now—because “backup” shouldn’t include privilege escalation. https://windowsforum.com/threads/cve-2026-50364-patch-windows-backup-privilege-escalation.438376/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #WindowsSecurity #PrivilegeEscalation #MicrosoftUpdates #Cve202650364 https://t.co/kjJqEn6qut

    Post summary

    The post announces the release of a patch for CVE‑2026‑50364, a privilege‑escalation flaw in Windows Backup that lets a low‑privilege account gain administrative rights via a link‑resolution bug.

    0000041
    1.2K followersView on X
CPE platform detail12 entries

12 of 12 entries

PartVendorProductVersionTarget SWTarget HW
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

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