ShadowTrackr

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CVE-2020-16909

<p>An elevation of privilege vulnerability exists in Windows Error Reporting (WER) when WER handles and executes files. The vulnerability could allow elevation of privilege if an attacker can successfully exploit it.</p> <p>An attacker who successfully exploited the vulnerability could gain greater access to sensitive information and system functionality. To exploit the vulnerability, an attacker could run a specially crafted application.</p> <p>The security update addresses the vulnerability by correcting the way that WER handles and executes files.</p>
An official patch is available. Apply the patch as soon as possible.
7.8
CVSS
6.4
ShadowTrackr
NO
CISA KEV
-
NCSC.nl
CVSS v4.0 Metrics
Exploitability
Attack VectorLocal
ComplexityLow
RequirementsPresent
PrivilegesLow
User InteractionNone
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Patch StatusOfficial Patch

Change Log
DateSourceChangesScore
2026-07-21nvdpatch: Unavailable→Official Patch6.4 → 6.4
2026-07-21cve.orginitial, patch: Unavailable6.4

Affected Software
VendorProductVersion
MicrosoftWindows 10 Version 1507≥ 10.0.0, < publication
MicrosoftWindows 10 Version 1607≥ 10.0.0, < publication
MicrosoftWindows 10 Version 1709≥ 10.0.0, < publication
MicrosoftWindows 10 Version 1709 for 32-bit Systems≥ 10.0.0, < publication
MicrosoftWindows 10 Version 1803≥ 10.0.0, < publication
MicrosoftWindows 10 Version 1809≥ 10.0.0, < publication
MicrosoftWindows 10 Version 1903 for 32-bit Systems≥ 10.0.0, < publication
MicrosoftWindows 10 Version 1903 for ARM64-based Systems≥ 10.0.0, < publication
MicrosoftWindows 10 Version 1903 for x64-based Systems≥ 10.0.0, < publication
MicrosoftWindows 10 Version 1909≥ 10.0.0, < publication
MicrosoftWindows 10 Version 2004≥ 10.0.0, < publication
MicrosoftWindows Server 2016≥ 10.0.0, < publication
MicrosoftWindows Server 2016 (Server Core installation)≥ 10.0.0, < publication
MicrosoftWindows Server 2019≥ 10.0.0, < publication
MicrosoftWindows Server 2019 (Server Core installation)≥ 10.0.0, < publication
MicrosoftWindows Server version 2004≥ 10.0.0, < publication
MicrosoftWindows Server, version 1903 (Server Core installation)≥ 10.0.0, < publication
MicrosoftWindows Server, version 1909 (Server Core installation)≥ 10.0.0, < publication
microsoftwindows_10All versions
microsoftwindows_101607
microsoftwindows_101709
microsoftwindows_101803
microsoftwindows_101809
microsoftwindows_101903
microsoftwindows_101909
microsoftwindows_102004
microsoftwindows_server_2016All versions
microsoftwindows_server_20161903
microsoftwindows_server_20161909
microsoftwindows_server_20162004
microsoftwindows_server_2019All versions
Published: 2020-10-16