CVE-2020-1533

Windows WalletService Elevation of Privilege Vulnerability

At a glance

Severity: HIGH 7.8
EPSS: EPSS 0.91 % · percentile 60 (2026-10-27)
State: PUBLISHED
Published: 2020-08-17
Updated: 2024-08-04
Assigner: microsoft
NVD status: Modified

Description

An elevation of privilege vulnerability exists in the way that the Windows WalletService handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. To exploit the vulnerability, a locally authenticated attacker could run a specially crafted application. The security update addresses the vulnerability by ensuring the Windows WalletService properly handles objects in memory.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C	microsoft
CVSS 3.1	HIGH 7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	NVD · secure@microsoft.com (Secondary)
CVSS 3.1	HIGH 7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Secondary)
CVSS 2.0	MEDIUM 4.6	AV:L/AC:L/Au:N/C:P/I:P/A:P	NVD · nvd@nist.gov (Primary)

European references

ENISA EUVD · EUVD-2020-12407
GCVE · GCVE-0-2020-1533

CERT-FR advisories

CERTFR-2020-AVI-501 — Multiples vulnérabilités dans Microsoft Windows · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

Affected products

Product	Versions
Microsoft · Windows 10 Version 1803	affected 10.0.0 < publication
Microsoft · Windows 10 Version 1809	affected 10.0.0 < publication
Microsoft · Windows Server 2019	affected 10.0.0 < publication
Microsoft · Windows Server 2019 (Server Core installation)	affected 10.0.0 < publication
Microsoft · Windows 10 Version 1909	affected 10.0.0 < publication
Microsoft · Windows Server, version 1909 (Server Core installation)	affected 10.0.0 < publication
Microsoft · Windows 10 Version 1709 for 32-bit Systems	affected 10.0.0 < publication
Microsoft · Windows 10 Version 1709	affected 10.0.0 < publication
Microsoft · Windows 10 Version 1903 for 32-bit Systems	affected 10.0.0 < publication
Microsoft · Windows 10 Version 1903 for x64-based Systems	affected 10.0.0 < publication
Microsoft · Windows 10 Version 1903 for ARM64-based Systems	affected 10.0.0 < publication
Microsoft · Windows Server, version 1903 (Server Core installation)	affected 10.0.0 < publication
Microsoft · Windows 10 Version 2004	affected 10.0.0 < publication
Microsoft · Windows Server version 2004	affected 10.0.0 < publication
Microsoft · Windows 10 Version 1507	affected 10.0.0 < publication
Microsoft · Windows 10 Version 1607	affected 10.0.0 < publication
Microsoft · Windows Server 2016	affected 10.0.0 < publication
Microsoft · Windows Server 2016 (Server Core installation)	affected 10.0.0 < publication

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1533

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD