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CVE-2020-1002

high

An elevation of privilege vulnerability exists when the MpSigStub.exe for Defender allows file deletion in arbitrary locations.To exploit the vulnerability, an…

Vendor / product: Microsoft — windows defender

An elevation of privilege vulnerability exists when the MpSigStub.exe for Defender allows file deletion in arbitrary locations.To exploit the vulnerability, an attacker would first have to log on to the system, aka 'Microsoft Defender Elevation of Privilege Vulnerability'.

CVSS
7.1
7.1 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2020-04-15 15:15
Modified: 2026-11-02 18:18
NVD status: Modified
Last synced 1 day ago
Verified against the source API 2026-11-03 07:33 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

microsoft / windows_defender all versions
microsoft / forefront_endpoint_protection_2010 all versions
microsoft / security_essentials all versions
microsoft / system_center_endpoint_protection all versions, 2012

Weakness classification (CWE)

NVD-CWE-noinfo

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Vendor advisory: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1002
Vendor advisory: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1002
Patch / mitigation: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1002
Patch / mitigation: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1002

References

Data sources

NVD CVE API 2.0 — fetched 2026-11-03 07:33 UTC · record ↗

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