CVE-2022-21999CISA KEV

Microsoft Windows Print Spooler Privilege Escalation Vulnerability

Severity unknownCVSS unknownCheck the vendor advisory for fixed versions

CISA lists this Microsoft vulnerability as known exploited. Its MSRC release detail is outside this installation's collected history.

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CISA catalog record

Microsoft Windows Print Spooler contains an unspecified vulnerability which can allow for privilege escalation.

Product: Windows
Added to KEV: 25 Mar 2022
Federal remediation due: 15 Apr 2022
Known ransomware use: Yes

Page history

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Field-level log (2)

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23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete

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Exploitation and risk

Source status

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CVE-2022-21999

Listed in CISA KEV · added 25 Mar 2022 · Microsoft · Windows

Microsoft Windows Print Spooler contains an unspecified vulnerability which can allow for privilege escalation.

CISA source

No EPSS score is available here for this CVE.

Saved 23 Oct 2026 16:01:26 UTC · View this risk record (JSON)

cve-program · CVE-2022-21999

Published

Windows Print Spooler Elevation of Privilege Vulnerability

Source published: 9 Feb 2022 16:36:50 UTC
Source modified: 21 Oct 2025 23:15:47 UTC
Saved here: 23 Oct 2026 15:48:27 UTC
Source terms: CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C