Home/CVE/An elevation of privilege vulnerability exists when Windows Defender antimalware platform improperly handles hard links,
CVE

CVE-2020-0835

An elevation of privilege vulnerability exists when Windows Defender antimalware platform improperly handles hard links,

An elevation of privilege vulnerability exists when Windows Defender antimalware platform improperly handles hard links, aka 'Windows Defender Antimalware Platform Hard Link Elevation of Privilege Vulnerability'.

HIGH · CVSS 7.8 EPSS 0.00274
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
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Affected Products & Versions

1
microsoft windows defenderall versions
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighTamper Windows Defender - PSClassic
producthighTamper Windows Defender Remove-MpPreference - ScriptBlockLogging
producthighTamper Windows Defender - ScriptBlockLogging
producthighPotential Windows Defender AV Bypass Via Dump64.EXE Rename
producthighSuspicious Uninstall of Windows Defender Feature via PowerShell
producthighWindows Defender Context Menu Removed
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Scoring & Timeline

7.8
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Apr 2020 · 03:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

1
msrcCVE-2020-0835Elevation of Privilege
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0835PatchVendor Advisory
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