VulnSocial

CVE-2026-68839Patch(microsoft / windows_10_1607)

LOWCVSS 9.8 · CRITICAL

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

Heap-based buffer overflow in Windows USB Mass Storage Class Driver 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-20CWE-122

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
  • 3 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • Peaked 2d ago at 1 mentions (2026-09-08); latest day: 1
  • 3 total mentions across 3 days

Affected systems

Vendors
microsoft
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 timeline3 mentions / 3d
00111Mentions · 2026-09-08: 1Mentions · 2026-09-09: 1Mentions · 2026-10-15: 1Patch / Workaround · 2026-09-08: 1Patch / Workaround · 2026-09-09: 1Technical Details · 2026-09-09: 109-0809-0910-15
Signal classification2 categories
Patch
150.0%
Disclosure
150.0%
Referenced assets7 URLs
By indicator
Classification over time
DateTotalLabels
2026-09-081
Patch1
2026-09-091
Disclosure1
Full discourse3 posts
  • Alex Plaskett@alexjplaskett

    Tech details for these bugs now public https://www.nccgroup.com/research/technical-advisory-microsoft-windows-midi-service-module-escalation-of-privileges-cve-2026-62688/ https://www.nccgroup.com/research/technical-advisory-microsoft-windows-uaspstorsys-device-controlled-kernel-pool-oob-write-via-report-luns-cve-2026-68839/ https://www.nccgroup.com/research/technical-advisory-microsoft-windows-usbmidi2sys-midi-10-wmaxpacketsize-pool-overflow/ https://www.nccgroup.com/research/technical-advisory-microsoft-windows-usbmidi2sys-midi-10-wmaxpacketsize-pool-overflow/

    218077595.0K
    13.9K followersView on X
  • Alex Plaskett@alexjplaskett
    Patch

    Another 3 Windows LPE's I found just patched in September patch Tuesday! CVE-2026-68839 - https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68839 CVE-2026-69720 - https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69720 CVE-2026-69571 - https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69571

    Post summary

    The post reports that four Windows local privilege escalation CVEs were patched in the September patch cycle, providing links to Microsoft's patch guides but no PoC, exploit, or active exploitation details.

    14058203.1K
    13.9K followersView on X
  • Security Arsenal, LLC@SecurityAr58409
    Disclosure

    🔒 #CyberSecurity CVE-2026-68839 + 22 Critical Windows CVEs (CVSS 9.8, Network-Exploitable): Defe… "The National Vulnerability Database has published 23 CRITICAL-severity, network-vector…" 🔗 https://securityarsenal.com/blog/cve-2026-68839-22-critical-windows-cves-cvss-98-network-exploitable-defenders-triage-detection-and-remediation-guide #CyberSecurity #ThreatIntel #cve202668839 #critical #cve

    Post summary

    The tweet announces that NVD has listed 23 critical Windows CVEs, including CVE-2026-68839 (CVSS 9.8, network‑exploitable), and links to a remediation guide for defenders’ triage and detection.

    0001065
    31 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---

Explore more

Back to dashboardmicrosoft CVEswindows_10_1607 vulnerabilities