CRITICAL✓ PATCH🇵🇱 Wersja polska

CVE-2026-42904

CVSS 9.6v3.1pub. 2026-06-09upd. 2026-06-11

Heap-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to elevate privileges over an adjacent network.

CVSS Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

  • Microsoft Windows 10 21h2

    OS
    Microsoft
    < 10.0.19044.7417

  • Microsoft Windows 10 22h2

    OS
    Microsoft
    < 10.0.19045.7417

  • Microsoft Windows 11 23h2

    OS
    Microsoft
    < 10.0.22631.7219

  • Microsoft Windows 11 24h2

    OS
    Microsoft
    < 10.0.26100.8655

  • Microsoft Windows 11 25h2

    OS
    Microsoft
    < 10.0.26200.8655

  • Microsoft Windows 11 26h1

    OS
    Microsoft
    < 10.0.28000.2269

  • Microsoft Windows Server 2022

    OS
    Microsoft
    < 10.0.20348.5256

  • Microsoft Windows Server 2025

    OS
    Microsoft
    < 10.0.26100.32995
🟢
PATCH AVAILABLE
Vendor update available. Deploy in standard maintenance cycle.
Tags
Memory
CWE
References

Related vulnerabilities

CVE-2025-59287CRITICAL9.8⚠ KEVPL ✓ten sam produkt

RCE w Windows Server Update Service (WSUS) — deserializacja danych

CVE-2026-45657CRITICAL9.8PL ✓ten sam produkt

Use-after-free w Windows Kernel umożliwiające zdalne wykonanie kodu

CVE-2026-45602CRITICAL9.1PL ✓ten sam produkt

Podatność typu tampering w Windows DHCP Server umożliwia nieautoryzowaną modyfikację danych

CVE-2026-44815CRITICAL9.8PL ✓ten sam produkt

Stack-based buffer overflow w Windows DHCP Client — zdalne wykonanie kodu

CVE-2026-47291CRITICAL9.8PL ✓ten sam produkt

RCE przez integer overflow w Windows HTTP.sys (CVE-2026-47291)