CVE-2021-1640
Windows Print Spooler Elevation of Privilege Vulnerability
HIGH
7.8
CVSS Score
Published: March 10, 2021 at 04:27 PM UTC
Updated: August 19, 2026 at 05:17 PM UTC
18 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows Server 2012
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Severity
HIGH7.8
Exploit prediction
EPSS 1.0%
Description
Windows Print Spooler Elevation of Privilege Vulnerability
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
10.0.10240.0 ≤ v < 10.0.10240.1887410.0.10240.0
Affected range stops below 10.0.10240.18874, so it looks safe — our inference, not a vendor statement
10.0.14393.0 ≤ v < 10.0.14393.428310.0.14393.0
Affected range stops below 10.0.14393.4283, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < 10.0.17134.208710.0.0 ≤ v < 10.0.17763.181710.0.0 ≤ v < 10.0.19043.86710.0.17763.0 ≤ v < 10.0.17763.181710.0.010.0.17763.0
Affected range stops below 10.0.17134.2087, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.17763.1817, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.19043.867, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < 10.0.18363.144010.0.0
Affected range stops below 10.0.18363.1440, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.1.7601.24566, so it looks safe — our inference, not a vendor statement
6.3.0 ≤ v < 6.3.9600.199686.3.0
Affected range stops below 6.3.9600.19968, so it looks safe — our inference, not a vendor statement
All versions
10.0.0 ≤ v < 10.0.18363.144010.0.0
Affected range stops below 10.0.18363.1440, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < 10.0.19043.86710.0.0
Affected range stops below 10.0.19043.867, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
PatchVendor Advisory
Source: [email protected]
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1640Third Party AdvisoryVDB Entry
Source: [email protected]
https://www.zerodayinitiative.com/advisories/ZDI-21-493/Vendor AdvisoryPatch
Source: cverecord
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1640CVSS
7.8HIGHmicrosoft
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-269
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