CVE-2021-36958

Windows Print Spooler Remote Code Execution Vulnerability

HIGH

7.8

CVSS Score

Published: August 12, 2021 at 06:12 PM UTC

Updated: August 10, 2026 at 04:28 PM UTC

16 products affected across 1 vendorWindowsWindows Server 2016Windows Server 2019

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Severity

HIGH7.8

Exploit prediction

EPSS 31%

Description

<p>A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. An attacker who successfully exploited this vulnerability could run arbitrary code with SYSTEM privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.</p>

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Windows · Microsoft

95%

All versions

Windows 10 1507 · Microsoft

95%

10.0.10240.0 ≤ v < 10.0.10240.1906010.0.10240.0

Affected range stops below 10.0.10240.19060, so it looks safe — our inference, not a vendor statement

Windows 10 1607 · Microsoft

95%

10.0.14393.0 ≤ v < 10.0.14393.465110.0.14393.0

Affected range stops below 10.0.14393.4651, so it looks safe — our inference, not a vendor statement

Windows 10 1809 · Microsoft

95%

10.0.0 ≤ v < 10.0.17763.218310.0.0 ≤ v < 10.0.19041.123710.0.17763.0 ≤ v < 10.0.17763.218310.0.0 10.0.17763.0

Affected range stops below 10.0.17763.2183, so it looks safe — our inference, not a vendor statement

Affected range stops below 10.0.19041.1237, so it looks safe — our inference, not a vendor statement

Windows 10 1909 · Microsoft

95%

10.0.0 ≤ v < 10.0.18363.180110.0.0

Affected range stops below 10.0.18363.1801, so it looks safe — our inference, not a vendor statement

Windows 7 · Microsoft

95%

6.1.0 ≤ v < 6.1.7601.257126.1.0

Affected range stops below 6.1.7601.25712, so it looks safe — our inference, not a vendor statement

Windows 8-1 · Microsoft

95%

6.3.0 ≤ v < 6.3.9600.201206.3.0

Affected range stops below 6.3.9600.20120, so it looks safe — our inference, not a vendor statement

Windows Server 2004 · Microsoft

95%

10.0.0 ≤ v < 10.0.19041.123710.0.0

Affected range stops below 10.0.19041.1237, so it looks safe — our inference, not a vendor statement

Windows Server 2012 · Microsoft

95%

6.2.9200.0 ≤ v < 6.2.9200.234626.3.9600.0 ≤ v < 6.3.9600.201206.2.9200.0 6.3.9600.0

Affected range stops below 6.2.9200.23462, so it looks safe — our inference, not a vendor statement

Affected range stops below 6.3.9600.20120, so it looks safe — our inference, not a vendor statement

Windows Server 2016 · Microsoft

95%

10.0.14393.0 ≤ v < 10.0.14393.465110.0.14393.0

Affected range stops below 10.0.14393.4651, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

PatchVendor Advisory

Source: [email protected]

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36958

Source: af854a3a-2127-422b-91ae-364da2661108

https://www.kb.cert.org/vuls/id/131152

Vendor AdvisoryPatch

Source: cverecord

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36958

CVSS

7.8HIGHmicrosoft

Vector?

Quick Info

StatusMODIFIED

CWE

NVD-CWE-noinfo

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