Exploitation evidence
Known exploited · CISA KEV listed
Added 2022-03-15. Ransomware campaign use: Known.
CISA required action: Apply updates per vendor instructions.
CISA due date: 2022-04-05. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
Microsoft / Windows 10 Version 1703
Default status: Not specified
- affected: 10.0.0 to < publication (custom)
Microsoft / Windows 10 Version 1803
Default status: Not specified
- affected: 10.0.0 to < publication (custom)
Microsoft / Windows Server, version 1803 (Server Core Installation)
Default status: Not specified
- affected: 10.0.0 to < publication (custom)
Microsoft / Windows 10 Version 1809
Default status: Not specified
- affected: 10.0.17763.0 to < publication (custom)
Microsoft / Windows 10 Version 1809
Default status: Not specified
- affected: 10.0.0 to < publication (custom)
Microsoft / Windows Server 2019
Default status: Not specified
- affected: 10.0.17763.0 to < publication (custom)
Microsoft / Windows Server 2019 (Server Core installation)
Default status: Not specified
- affected: 10.0.17763.0 to < publication (custom)
Microsoft / Windows 10 Version 1709 for 32-bit Systems
Default status: Not specified
- affected: 10.0.0 to < publication (custom)
Microsoft / Windows 10 Version 1709
Default status: Not specified
- affected: 10.0.0 to < publication (custom)
Microsoft / Windows 10 Version 1903 for 32-bit Systems
Default status: Not specified
- affected: 10.0.0 to < publication (custom)
Microsoft / Windows 10 Version 1903 for x64-based Systems
Default status: Not specified
- affected: 10.0.0 to < publication (custom)
Microsoft / Windows 10 Version 1903 for ARM64-based Systems
Default status: Not specified
- affected: 10.0.0 to < publication (custom)
Microsoft / Windows Server, version 1903 (Server Core installation)
Default status: Not specified
- affected: 10.0.0 to < publication (custom)
Microsoft / Windows 10 Version 1607
Default status: Not specified
- affected: 10.0.14393.0 to < publication (custom)
Microsoft / Windows Server 2016
Default status: Not specified
- affected: 10.0.14393.0 to < publication (custom)
Microsoft / Windows Server 2016 (Server Core installation)
Default status: Not specified
- affected: 10.0.14393.0 to < publication (custom)
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.06886,
"percentile": 0.94157
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.06886,
"percentile": 0.94121
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.06886,
"percentile": 0.94114
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.06886,
"percentile": 0.94112
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.06886,
"percentile": 0.94108
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.06886,
"percentile": 0.941
}06 Nov 2026, 12:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
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}05 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.06886,
"percentile": 0.94095
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.06886,
"percentile": 0.9409
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.06886,
"percentile": 0.9408
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.06886,
"percentile": 0.94072
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2019-1064",
"cwes": [
"CWE-59"
],
"dateAdded": "2022-03-15",
"dueDate": "2022-04-05",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Known",
"notes": "https://nvd.nist.gov/vuln/detail/CVE-2019-1064",
"product": "Windows",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "A privilege escalation vulnerability exists when Windows AppXSVC improperly handles hard links. An attacker who successfully exploited this vulnerability could run processes in an elevated context.",
"vendorProject": "Microsoft",
"vulnerabilityName": "Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability"
}