CVE-2020-16939

high-risk
Published 2020-10-16

<p>An elevation of privilege vulnerability exists when Group Policy improperly checks access. An attacker who successfully exploited this vulnerability could run processes in an elevated context.</p> <p>To exploit the vulnerability, an attacker would first have to log on to the system, and then run a specially crafted application to take control over the affected system.</p> <p>The security update addresses the vulnerability by correcting how Group Policy checks access.</p>

Do I need to act?

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19.9% chance of exploitation in next 30 days
EPSS score — higher than 80% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (20)

Affected Vendors

Microsoft

References (4)

Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1693...
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-20-1254/
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1693...
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-20-1254/
58
/ 100
high-risk
Severity 24/34 · High
Exploitability 14/34 · Moderate
Exposure 20/34 · Moderate