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CVE-2026-49172General(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 FTP Service 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-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 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • General: 2 classified signals
  • Peaked 1d ago at 2 mentions (2026-07-14); latest day: 1
  • 3 total mentions across 2 days

Affected systems

Vendors
microsoft
Products
windows_10_1607windows_10_1809windows_10_21h2windows_10_22h2windows_11_23h2windows_11_24h2windows_11_25h2windows_11_26h1windows_server_2019windows_server_2022

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-07-14: 2Mentions · 2026-07-22: 1Patch / Workaround · 2026-07-14: 1Technical Details · 2026-07-14: 107-1407-22
Signal classification2 categories
General
266.7%
Patch
133.3%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-07-142
General1Patch1
2026-07-221
General1
Full discourse3 posts
  • SecAlerts@SecAlertsCo
    Patch

    📡 Windows FTP Service has a heap overflow RCE flaw — no auth needed. CVE-2026-49172 scores CVSS 9.8, affecting Win10/11 and Server 2019/2022/2025. Patch now via July 2026 Patch Tuesday. #Windows #CyberSecurity https://secalerts.co/vulnerability/CVE-2026-49172?utm_campaign=x https://t.co/OQmUBEwYPy

    Post summary

    The tweet announces a heap overflow RCE in Windows FTP Service (CVE-2026-49172), highlights its severity, and notes an upcoming patch in July 2026 Patch Tuesday.

    00010153
    858 followersView on X
  • VulDB 🛡@vuldb
    General

    There is a new vulnerability with elevated criticality in Microsoft Windows (CVE-2026-49172) https://vuldb.com/vuln/378421

    Post summary

    A new high‑critical Windows vulnerability, CVE‑2026‑49172, has been announced. No further technical details, exploits, or mitigations are provided.

    00010141
    2.3K followersView on X
  • ゆぅさん@YY20424277
    General

    【3軸解説】「マイクロソフトのMicrosoft Windows 10 1607等の複数製品におけるヒープベースのバッファオーバーフローの脆弱性（CVE-2026-49172）」を、背景 / 目的 / 効果 の 3 軸で読み解きます。 背景/目的/効果の3軸で読み解きました。 #セキュリティ #若手コン… ▶ 無料ツール WR-Analysis: https://www.intect-i.jp/tools/wr-analysis/?utm_source=sns&utm_medium=social&utm_campaign=wr_analysis

    Post summary

    The tweet briefly mentions CVE-2026-49172 and indicates it will be discussed in a 3-axis format, but provides no technical, exploit, patch, or active exploitation details.

    0000080
    843 followersView on X
CPE platform detail20 entries

20 of 20 entries

PartVendorProductVersionTarget SWTarget HW
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_2019---
OSmicrosoftwindows_server_2022---
OSmicrosoftwindows_server_2025---

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