High severity7.0NVD Advisory· Published Feb 15, 2018· Updated Jun 17, 2026

CVE-2018-0821

Description

AppContainer in Windows 10 Gold, 1511, 1607, 1703 and 1709, Windows Server 2016 and Windows Server, version 1709 allows an elevation of privilege vulnerability due to the way constrained impersonations are handled, aka "Windows AppContainer Elevation Of Privilege Vulnerability".

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Microsoft/Windows 10 1607llm-fuzzy
Range: 1709 and earlier
Microsoft/Windows Server 2016llm-fuzzy
Range: 1709 and earlier
Microsoft Corporation/AppContainerv5
Range: Windows 10 Gold, 1511, 1607, 1703 and 1709, Windows Server 2016 and Windows Server, version 1709

Patches

Vulnerability mechanics

References

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0821nvdPatchVendor Advisory
www.exploit-db.com/exploits/44149/nvdExploitThird Party AdvisoryVDB Entry
www.securityfocus.com/bid/102939nvdThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1040379nvdThird Party AdvisoryVDB Entry

News mentions

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cvss	0.455
epss	0.002
exploit	0.030
kev	0.000
patch	0.000
ransomware	0.000