VulnSocial

CVE-2026-42984Patch(microsoft / windows_10_1809)

LOWCVSS 7.0 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch microsoft windows_10_1809 systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

microsoft CVEsBack to dashboard
1.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-416

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_1809
  • windows_10_21h2
  • windows_10_22h2
  • windows_11_23h2

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
microsoft
Products
windows_10_1809windows_10_21h2windows_10_22h2windows_11_23h2windows_11_24h2windows_11_25h2windows_11_26h1windows_server_2019windows_server_2022windows_server_2025

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-06-10: 1Patch / Workaround · 2026-06-10: 1Technical Details · 2026-06-10: 106-10
Signal classification1 categories
Patch
1100.0%
Referenced assets1 URL
Full discourse1 post
  • WindowsForum@windowsforum
    Patch

    🪟 Important Kernel EoP via use-after-free (race condition → SYSTEM) and “unlikely” exploitation? That’s just Microsoft politely admitting the bug bites fast, not loudly. Patch. #Windows #Microsoft #CVE https://windowsforum.com/threads/cve-2026-42984-windows-kernel-eop-patch-the-system-use-after-free-fast.424849/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #WindowsKernel #PatchTuesday #LocalPrivilegeEscala… https://t.co/gqa2rNajyB

    Post summary

    The post announces Microsoft’s patch for CVE‑2026‑42984, a Windows kernel use‑after‑free EoP vulnerability with a race condition to SYSTEM, and notes that active exploitation is unlikely. No PoC or exploit code is referenced.

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    1.2K followersView on X
CPE platform detail19 entries

19 of 19 entries

PartVendorProductVersionTarget SWTarget HW
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_23h2--arm64
OSmicrosoftwindows_11_23h2--x64
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_2019---
OSmicrosoftwindows_server_2022---
OSmicrosoftwindows_server_2025--x64

Explore more

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