CVE-2020-1459
HIGHWindows 10 - Information Disclosure via Straight-Line Speculation Side-Channel
Title source: llmDescription
An information disclosure vulnerability exists on ARM implementations that use speculative execution in control flow via a side-channel analysis, aka "straight-line speculation." To exploit this vulnerability, an attacker with local privileges would need to run a specially crafted application. The security update addresses the vulnerability by bypassing the speculative execution.
References (1)
Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1459
Scores
CVSS v3
7.5
EPSS
0.0447
EPSS Percentile
90.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-203
Status
published
Products (4)
microsoft/windows_10
1809
microsoft/windows_10
1903
microsoft/windows_10
1909
microsoft/windows_10
2004
Published
Aug 17, 2020
Tracked Since
Feb 18, 2026