CVE-2026-62820Patch(microsoft / windows_10_1607)

LOWCVSS 8.1 · 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

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DNS allows an unauthorized attacker to execute code over a network.

1.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-362

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_server_2016
  • windows_server_2019

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 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-08-12); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
Products
windows_10_1607windows_10_1809windows_server_2016windows_server_2019windows_server_2022windows_server_2025

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-08-12: 1Mentions · 2026-09-09: 1Patch / Workaround · 2026-08-12: 1Technical Details · 2026-08-12: 1Technical Details · 2026-09-09: 108-1209-09
Signal classification2 categories
Patch
150.0%
Disclosure
150.0%
Referenced assets1 URL
Classification over time
DateTotalLabels
2026-08-121
Patch1
2026-09-091
Disclosure1
Full discourse2 posts
  • kawn@kawn2020
    Disclosure

    #windowsupdate #microsoft つづき ・CVE-2026-62817 Windows DNS Server Remote Code Execution Vulnerability ・CVE-2026-62820 Windows DNS Server Remote Code Execution Vulnerability ・CVE-2026-62823 Windows DHCP Server のリモートでコードが実行される脆弱性 つづく…

    Post summary

    Three new Windows DNS and DHCP Server remote code execution vulnerabilities (CVE‑2026‑62817, ‑62820, ‑62823) were listed in the latest Windows update announcements.

    1000091
    87 followersView on X
  • Windows Forum@windowsforum
    Patch

    🚨 Running Windows DNS Server? Patch it now. A remote-code execution flaw in the infrastructure that helps your network find everything is nobody’s idea of a fun scavenger hunt. https://windowsforum.com/security-alerts.84/cve-2026-62820-patch-windows-dns-server-rce-flaw.442641/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #WindowsServer #SecurityUpdates #DnsServer #Cve202662820 https://t.co/1iq3NbqTWW

    Post summary

    A remote‑code execution vulnerability (CVE‑2026‑62820) in Windows DNS Server is disclosed; a patch is available immediately.

    0000071
    1.3K followersView on X
CPE platform detail8 entries

8 of 8 entries

PartVendorProductVersionTarget SWTarget HW
OSmicrosoftwindows_10_1607--x64
OSmicrosoftwindows_10_1607--x86
OSmicrosoftwindows_10_1809--x64
OSmicrosoftwindows_10_1809--x86
OSmicrosoftwindows_server_2016---
OSmicrosoftwindows_server_2019---
OSmicrosoftwindows_server_2022---
OSmicrosoftwindows_server_2025---

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