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CVE-2020-0986: Microsoft Windows Kernel Privilege Escalation Vulnerability

criticalknown exploitedCVE-2020-0986
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Microsoft Windows kernel contains an unspecified vulnerability when handling objects in memory that allows attackers to escalate privileges and execute code in kernel mode.

CSIRTS triage

vendor: Microsoftproduct: WindowsPrivilege escalation
What
The Microsoft Windows kernel has a vulnerability that allows privilege escalation when handling objects in memory.
Who is affected
Users of Microsoft Windows with the affected kernel.
Urgency
Immediate remediation is necessary due to active exploitation and critical severity.
Action
Update Windows to the latest version.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2020-0986

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2020-0986coverage & exploitation statusNVD · CVE.org

Recent advisories for Microsoft Windows Kernel

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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