CVE-2026-42986Disclosure(microsoft / windows_10_1607)

LOWCVSS 7.8 · HIGH

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

Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.

1.0/ 10 priority

Sources & remediation

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_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 1 signal
  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 2 total mentions across 1 day

Affected systems

Vendors
Products
windows_10_1607windows_10_1809windows_10_21h2windows_10_22h2windows_11_23h2windows_11_24h2windows_11_25h2windows_11_26h1windows_server_2012windows_server_2016

2 versions affected across 13 products

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-06-10: 2Patch / Workaround · 2026-06-10: 1Technical Details · 2026-06-10: 106-10
Signal classification2 categories
Disclosure
150.0%
Patch
150.0%
Referenced assets1 URL
Full discourse2 posts
  • kawn@kawn2020
    Disclosure

    #windowsupdate #microsoft つづき ・CVE-2026-42985 8.8 リモート デスクトップ クライアント ・CVE-2026-42986 7.8 Microsoft Graphics コンポーネント ・CVE-2026-42989 7.8 Winlogon ・CVE-2026-44803 7.8 Windows Win32K: GRFX ・CVE-2026-44812 7.8 Windows Win32K: GRFX つづく…

    Post summary

    The tweet enumerates newly disclosed Windows CVEs with severity scores and affected components but provides no further actionable details such as exploits, patches, or technical depth.

    1001087
    85 followersView on X
  • WindowsForum@windowsforum
    Patch

    🪟 CVE-2026-42986 is a local use-after-free EoP: you need low privileges first… cool, so it’s “sorta already owned.” Patch anyway—advisories tease enough to panic, not enough to fix. https://windowsforum.com/threads/cve-2026-42986-graphics-eop-patch-the-windows-use-after-free-risk-now.424858/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #WindowsSecurity #PrivilegeEscalation #PatchTuesday #Cve202642986 https://t.co/QjuwVF06Z0

    Post summary

    The post highlights CVE-2026-42986 as a local use‑after‑free that can lead to elevation of privilege and urges a patch, though it lacks exploit or active use details.

    0000056
    1.2K followersView on X
CPE platform detail24 entries

24 of 24 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_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_2012---
OSmicrosoftwindows_server_2012r2--
OSmicrosoftwindows_server_2016---
OSmicrosoftwindows_server_2019---
OSmicrosoftwindows_server_2022---
OSmicrosoftwindows_server_2025--x64

Explore more