CVE-2020-1521

HIGH

Windows Speech Runtime - Privilege Escalation

Title source: llm
STIX 2.1

Description

An elevation of privilege vulnerability exists when the Windows Speech Runtime improperly handles memory. To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges. The security update addresses the vulnerability by correcting how the Windows Speech Runtime handles memory.

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0080
EPSS Percentile 52.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (12)
microsoft/windows_10 1607
microsoft/windows_10 1709
microsoft/windows_10 1803
microsoft/windows_10 1809
microsoft/windows_10 1903
microsoft/windows_10 1909
microsoft/windows_10 2004
microsoft/windows_server_2016
microsoft/windows_server_2016 1903
microsoft/windows_server_2016 1909
... and 2 more
Published Aug 17, 2020
Tracked Since Feb 18, 2026