CVE-2020-1459

7.5 highEPSS 4.5%

High (7.5) in microsoft windows 10. EPSS 4.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 4.5% chance of exploitation in the next 30 days; higher than 91% of CVEs (scores of 2026-10-31)
CWE: CWE-203
Published: 2020-08-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

microsoft:windows_10

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1459
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1459

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