CVE-2024-21439HighCVSS 7.0

Windows Telephony Server Elevation of Privilege Vulnerability

Published
March 12, 2024
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2024-21439 →

📋 Description

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability? Successful exploitation of this vulnerability requires an attacker to win a race condition.

What privileges could be gained by an attacker who successfully exploited the vulnerability? An attacker who successfully exploited this vulnerability could execute code in the security context of the “NT AUTHORITY\Network Service” account.

🎯 Affected products36

  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 Version 1607 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for ARM64-based Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 10 for 32-bit Systems
  • Windows 10 for x64-based Systems
  • Windows 11 Version 22H2 for ARM64-based Systems
  • Windows 11 Version 22H2 for x64-based Systems
  • Windows 11 Version 23H2 for ARM64-based Systems
  • Windows 11 Version 23H2 for x64-based Systems
  • Windows 11 version 21H2 for ARM64-based Systems
  • Windows 11 version 21H2 for x64-based Systems
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
  • Windows Server 2008 for 32-bit Systems Service Pack 2
  • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
  • Windows Server 2008 for x64-based Systems Service Pack 2
  • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
  • Windows Server 2012
  • Windows Server 2012 (Server Core installation)
  • Windows Server 2012 R2
  • Windows Server 2012 R2 (Server Core installation)
  • Windows Server 2016
  • +6 more not shown

✅ Remediation

KB5035849 (Security Update) — fixed build 10.0.17763.5576 KB5035857 (Security Update) — fixed build 10.0.20348.2340 KB5035959 (SecurityHotpatchUpdate) — fixed build 10.0.20348.2333 KB5035854 (Security Update) — fixed build 10.0.22000.2836 KB5035845 (Security Update) — fixed build 10.0.19044.4170 KB5035853 (Security Update) — fixed build 10.0.22621.3296 KB5035845 (Security Update) — fixed build 10.0.19045.4170 KB5035853 (Security Update) — fixed build 10.0.22631.3296 KB5035856 (Security Update) — fixed build 10.0.25398.763 KB5035858 (Security Update) — fixed build 10.0.10240.20526 KB5035855 (Security Update) — fixed build 10.0.14393.6796 KB5035920 (Monthly Rollup) — fixed build 6.0.6003.22567 KB5035933 (Security Only) — fixed build 6.0.6003.22567 KB5035888 (Monthly Rollup) — fixed build 6.1.7601.27017 KB5035919 (Security Only) — fixed build 6.1.7601.27017 KB5035930 (Monthly Rollup) — fixed build 6.2.9200.24768 KB5035885 (Monthly Rollup) — fixed build 6.3.9600.21871

🔗 References (31)