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CVE-2024-43574

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

HIGH
8.3
CVSS Score
Published: October 8, 2024 at 05:36 PM UTC
Updated: June 17, 2026 at 07:51 AM UTC
9 products affected across 1 vendorWindows Server 2022Windows 10 21H2Windows 10 22H2

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Severity
HIGH8.3
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Windows 10 21H2· Microsoft
95%
v < 10.0.19044.501110.0.19043.0 ≤ v < 10.0.19044.501110.0.19043.0
Affected range stops below 10.0.19044.5011, so it looks safe — our inference, not a vendor statement
Windows 10 22H2· Microsoft
95%
v < 10.0.19045.501110.0.19045.0 ≤ v < 10.0.19045.501110.0.19045.0
Affected range stops below 10.0.19045.5011, so it looks safe — our inference, not a vendor statement
Windows 11 21H2· Microsoft
95%
v < 10.0.22000.326010.0.22000.0 ≤ v < 10.0.22000.326010.0.22000.0
Affected range stops below 10.0.22000.3260, so it looks safe — our inference, not a vendor statement
Windows 11 22H2· Microsoft
95%
v < 10.0.22621.431710.0.22621.0 ≤ v < 10.0.22621.431710.0.22621.0
Affected range stops below 10.0.22621.4317, so it looks safe — our inference, not a vendor statement
Windows 11 23H2· Microsoft
95%
v < 10.0.22631.431710.0.22631.0 ≤ v < 10.0.22631.431710.0.22631.0
Affected range stops below 10.0.22631.4317, so it looks safe — our inference, not a vendor statement
Windows 11 24H2· Microsoft
95%
v < 10.0.26100.203310.0.26100.0 ≤ v < 10.0.26100.203310.0.26100.0
Affected range stops below 10.0.26100.2033, so it looks safe — our inference, not a vendor statement
Windows Server 2022· Microsoft
95%
v < 10.0.20348.276210.0.20348.0 ≤ v < 10.0.20348.276210.0.20348.0
Affected range stops below 10.0.20348.2762, so it looks safe — our inference, not a vendor statement
Windows Server 2022 23H2· Microsoft
95%
v < 10.0.25398.118910.0.25398.0 ≤ v < 10.0.25398.118910.0.25398.0
Affected range stops below 10.0.25398.1189, so it looks safe — our inference, not a vendor statement
Windows Server 23H2· Microsoft
95%
10.0.25398.0 ≤ v < 10.0.25398.1189
Affected range stops below 10.0.25398.1189, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor AdvisoryPatch
Source: [email protected]
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43574

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.3HIGHmicrosoft
Vector?

Quick Info

StatusANALYZED
CWE
CWE-416NVD-CWE-noinfo

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