CVE-2024-30097HighCVSS 8.8

Microsoft Speech Application Programming Interface (SAPI) Remote Code Execution Vulnerability

Published
July 20, 2026
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2024-30097 →

📋 Description

According to the CVSS metric, user interaction is required (UI:R) and privileges required are none (PR:N). What does that mean for this vulnerability? An unauthorized attacker must wait for a user to initiate a connection.

How could an attacker exploit this vulnerability? An attacker could exploit a double free vulnerability within the OS SAPI component to cause a denial of service or execute arbitrary code, compromising system integrity and availability.

According to the CVSS metric, the attack vector is network (AV:N) and the user interaction is required (UI:R). What is the target context of the remote code execution? This attack requires an authenticated client to click a link so that an unauthenticated attacker can initiate remote code execution.

🎯 Affected products26

  • 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 2016
  • Windows Server 2016 (Server Core installation)
  • Windows Server 2019
  • Windows Server 2019 (Server Core installation)
  • Windows Server 2022
  • Windows Server 2022 (Server Core installation)
  • Windows Server 2022, 23H2 Edition (Server Core installation)

✅ Remediation

KB5039217 (Security Update) — fixed build 10.0.17763.5936 KB5039227 (Security Update) — fixed build 10.0.20348.2527 KB5039330 (Security Hotpatch Update) — fixed build 10.0.20348.2522 KB5039213 (Security Update) — fixed build 10.0.22000.3019 KB5039211 (Security Update) — fixed build 10.0.19044.4529 KB5039212 (Security Update) — fixed build 10.0.22621.3737 KB5039211 (Security Update) — fixed build 10.0.19045.4529 KB5039212 (Security Update) — fixed build 10.0.22631.3737 KB5039236 (Security Update) — fixed build 10.0.25398.950 KB5039225 (Security Update) — fixed build 10.0.10240.20680 KB5039214 (Security Update) — fixed build 10.0.14393.7070

🔗 References (19)