CVE detail

CVE-2020-1509 — CVE-2020-1509

Published 2020-08-17 · Modified 2026-06-17 · Vendor microsoft · Product windows_10 · Source nvd

HIGH

severity

CVSS-derived band

7.8

CVSS v3

0–10 scale

0.0326

EPSS probability

exploitation probability, 30d

87.0%

EPSS percentile

percentile vs all CVEs

NOT LISTED

CISA KEV

known exploited catalog

Description

An elevation of privilege vulnerability exists in the Local Security Authority Subsystem Service (LSASS) when an authenticated attacker sends a specially crafted authentication request. A remote attacker who successfully exploited this vulnerability could cause an elevation of privilege on the target system's LSASS service. The security update addresses the vulnerability by changing the way that LSASS handles specially crafted authentication requests.

Remediation

No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.