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CVE-2026-49178General(microsoft / windows_10_1607)

LOWCVSS 8.8 · 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

Heap-based buffer overflow in Active Directory Domain Services allows an authorized attacker to execute code over a network.

microsoft CVEsBack to dashboard
1.0/ 10 priority

Sources & remediation

Patch / fix
Weakness type (CWE)
CWE-122

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 2 signals
  • General: 1 classified signal
  • 2 total mentions across 1 day

Affected systems

Vendors
microsoft
Products
windows_10_1607windows_10_1809windows_10_21h2windows_10_22h2windows_11_24h2windows_11_25h2windows_11_26h1windows_server_2012windows_server_2016windows_server_2019

2 versions affected across 12 products

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-07-15: 2Patch / Workaround · 2026-07-15: 1Technical Details · 2026-07-15: 207-15
Signal classification2 categories
General
150.0%
Patch
150.0%
Referenced assets2 URLs
Full discourse2 posts
  • Cyber Threat Observatory | Alan Turing Institute@TuringCyberObs
    General

    CVE-2026-49178 Microsoft Active Directory Domain Services Code execution in AD DS could let authorised attackers compromise a core enterprise identity and access-control service Full analysis: https://github.com/alan-turing-institute/cyber-threat-observatory/blob/main/reports/2026-07-14/TIER_2_CVE-2026-49178.md #CyberSecurity #IdentitySecurity #VulnerabilityManagement

    Post summary

    The text gives a brief note on CVE‑2026‑49178, citing code‑execution potential in Microsoft AD DS and linking to a detailed report, but offers no evidence of exploitation, PoC, or patch.

    0000039
    58 followersView on X
  • Windows Forum@windowsforum
    Patch

    🪟 “Important” on paper, 8.8 in reality: CVE-2026-49178 lets authenticated attackers hit AD DS with RCE. Patch your domain controllers before “Important” becomes incident response. https://windowsforum.com/threads/cve-2026-49178-patch-windows-ad-ds-rce-on-domain-controllers.438323/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #ActiveDirectory #WindowsSecurity #PatchTuesday #DomainControllers https://t.co/9yUsHpWUnY

    Post summary

    The post highlights a severe CVE-2026-49178 vulnerability that enables authenticated RCE against AD DS, urging administrators to patch domain controllers promptly.

    0000043
    1.2K followersView on X
CPE platform detail22 entries

22 of 22 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_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---

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