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CVE-2019-1215An elevation of privilege vulnerability exists in the way that ws2ifsl.sys (Winsock) handles objects in memory, aka 'Windows Elevation of…

Description

An elevation of privilege vulnerability exists in the way that ws2ifsl.sys (Winsock) handles objects in memory, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1253, CVE-2019-1278, CVE-2019-1303.

Exploited in the wild

CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Microsoft Windows Privilege Escalation Vulnerability.

Added
3 Nov 2021
Fix due (US federal)
3 May 2022
Used by ransomware
Known

Apply updates per vendor instructions.

ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 3 Nov 2021.

Public exploit

An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it. CISA's SSVC rates its exploitation: it is being exploited.

Show the exploits1

Exploit-DB1 entry

Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from

Timeline

  1. ID reserved

    By microsoft

  2. · 10 months later

    Published

  3. · 2 years later

    Added to CISA KEV

    Known exploited, also by ransomware

  4. · 4 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2019-1215, by who scored it
Scored byCVSSScoreVector
CISA-ADPADP (enrichment)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Analyzed3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
19.3% · top 2.6% of all CVEs (13 Nov 2026)
CISA SSVC
Exploitation: active · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Affected products

  • Microsoft · Windows

    • affected 7 for 32-bit Systems Service Pack 1
    • affected 7 for x64-based Systems Service Pack 1
    • affected 8.1 for 32-bit systems
    • affected 8.1 for x64-based systems
    • affected RT 8.1
    • affected 10 for 32-bit Systems
    • affected 10 for x64-based Systems
    • affected 10 Version 1607 for 32-bit Systems
    • affected 10 Version 1607 for x64-based Systems
    • affected 10 Version 1703 for 32-bit Systems
    • affected 10 Version 1703 for x64-based Systems
    • affected 10 Version 1709 for 32-bit Systems
    • affected 10 Version 1709 for x64-based Systems
    • affected 10 Version 1803 for 32-bit Systems
    • affected 10 Version 1803 for x64-based Systems
    • affected 10 Version 1803 for ARM64-based Systems
    • affected 10 Version 1809 for 32-bit Systems
    • affected 10 Version 1809 for x64-based Systems
    • affected 10 Version 1809 for ARM64-based Systems
    • affected 10 Version 1709 for ARM64-based Systems

  • Microsoft · Windows Server

    • affected 2008 R2 for x64-based Systems Service Pack 1 (Core installation)
    • affected 2008 R2 for Itanium-Based Systems Service Pack 1
    • affected 2008 R2 for x64-based Systems Service Pack 1
    • affected 2008 for 32-bit Systems Service Pack 2 (Core installation)
    • affected 2012
    • affected 2012 (Core installation)
    • affected 2012 R2
    • affected 2012 R2 (Core installation)
    • affected 2016
    • affected 2016 (Core installation)
    • affected version 1803 (Core Installation)
    • affected 2019
    • affected 2019 (Core installation)
    • affected 2008 for Itanium-Based Systems Service Pack 2
    • affected 2008 for 32-bit Systems Service Pack 2
    • affected 2008 for x64-based Systems Service Pack 2
    • affected 2008 for x64-based Systems Service Pack 2 (Core installation)

  • Microsoft · Windows 10 Version 1903 for 32-bit Systems

    • affected unspecified

  • Microsoft · Windows 10 Version 1903 for x64-based Systems

    • affected unspecified

  • Microsoft · Windows 10 Version 1903 for ARM64-based Systems

    • affected unspecified

  • Microsoft · Windows Server, version 1903 (Server Core installation)

    • affected unspecified

References

References2

Sources

The same CVE in the primary databases and aggregators, to check against.

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CVE-2019-1215 badge
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Record last updated .