CVE-2026-41096

Published May 12, 2026

Last updated 5 hours ago

Overview

Description
Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.
Source
secure@microsoft.com
NVD status
Analyzed
Products
windows_11_23h2, windows_11_24h2, windows_11_25h2, windows_11_26h1, windows_server_2022_23h2, windows_server_2025

Risk scores

CVSS 3.1

Type
Primary
Base score
9.8
Impact score
5.9
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity
CRITICAL

Weaknesses

secure@microsoft.com
CWE-122

Social media

Hype score
Not currently trending
  1. New critical flaws: Exchange zero-day (CVE-2026-42897) actively exploited, Windows DNS Client RCE (CVE-2026-41096), & Cisco SD-WAN auth bypass (CVE-2026-20182). These threaten data privacy/integrity in transit. Patch NOW! #Cybersecurity #ZeroDay #News

    @YourAnon_irc

    15 May 2026

    28 Impressions

    0 Retweets

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  2. May 2026 Patch Tuesday: no zero-days for once. But CVE-2026-41089 (Netlogon, CVSS 9.8) = unauthenticated RCE on domain controllers. CVE-2026-41096 (DNS Client, CVSS 9.8) = every Windows machine.  PoC code typically follows within days. Patch this week. #CyberSecurity https://t

    @DIESEC_GmbH

    15 May 2026

    3 Impressions

    0 Retweets

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  3. Microsoft、定例パッチで危険な脆弱性を修正(CVE-2026-41089・CVE-2026-41096・CVE-2026-41103) - 合同会社ロケットボーイズ https://t.co/VosZIxjncz @GoogleNewsより

    @CreatorRuru

    14 May 2026

    60 Impressions

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  4. Microsoft、定例パッチで危険な脆弱性を修正(CVE-2026-41089・CVE-2026-41096・CVE-2026-41103) https://t.co/if7T1McADS #セキュリティ対策Lab #security #securitynews

    @securityLab_jp

    14 May 2026

    131 Impressions

    0 Retweets

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  5. Top 5 Trending CVEs: 1 - CVE-2026-21510 2 - CVE-2026-46300 3 - CVE-2026-41096 4 - CVE-2026-0300 5 - CVE-2026-34263 #cve #cvetrends #cveshield #cybersecurity https://t.co/4Fua3CAN6W

    @CVEShield

    14 May 2026

    128 Impressions

    0 Retweets

    1 Like

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  6. Critical vulnerability in Windows DNS service leaks to unauthenticated RCE by exploiting heap based buffer overflow remotely. Marked as CVE-2026-41096. Advisory: https://t.co/JBJJOEiD9E. #cve #critical #vulnerability https://t.co/NX8HcJWMvb

    @triunedigisec

    14 May 2026

    45 Impressions

    0 Retweets

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  7. CVE-2026-41096: ‼️🚨 Microsoft has patched a critical Windows DNS Client remote code execution vulnerability that allows an unauthorized attacker to execute code over a network. All it takes is a malicious DNS response. The vulnerability is tracked as CVE-2026-41096 with a

    @lyrie_ai

    14 May 2026

    26 Impressions

    0 Retweets

    1 Like

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  8. 🚨 Alertes sécurité CVE-2026-41089 et CVE-2026-41096 sur Windows 🚨 Des failles Windows permettent l'exécution de code à distance via le réseau, impactant prioritairement les serveurs Active Directory. https://t.co/GXh3dBpG7E

    @LoginSecurite

    13 May 2026

    43 Impressions

    0 Retweets

    1 Like

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  9. 🚨 Microsoft Patch Tuesday May 2026 fixes 138 vulnerabilities ⚠️ Critical flaws include: 🔥 CVE-2026-41096 🔥 CVE-2026-41089 Patch immediately — especially domain controllers & internet-facing systems. 🔗 https://t.co/CChfZZbxnK #CyberSecurity #PatchTuesday

    @vulert_official

    13 May 2026

    42 Impressions

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  10. Windows Client (11) and Server (2022 &2025) OS have a 9.8 (Critical) Windows DNS Client Remote Code Execution vulnerability (CVE-2026-41096) that allows an unauthorized attacker to execute code over a network

    @SirMwangala

    13 May 2026

    117 Impressions

    0 Retweets

    1 Like

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  11. 2026年5月ぱっちちゅーずでーまとめ ◆Microsoft https://t.co/32GkHwPEhg CVE-2026-42898 Microsoft Dynamics 365 オンプレミスのリモートでコードが実行される脆弱性 CVE-2026-42823 Azure Logic Apps の特権昇格の脆弱性 CVE-2026-41096 Windows

    @taku888infinity

    13 May 2026

    898 Impressions

    0 Retweets

    2 Likes

    1 Bookmark

    0 Replies

    0 Quotes

Configurations

References

Sources include official advisories and independent security research.