Cyber Resilience

CVE-2021-1675

Microsoft Windows Server 2008 r2

CISA KEVActive ExploitationEUVD ExploitedPublic PoCRansomware-linked
Published
08 June 2021
Modified
12 August 2026
KEV Added
03 November 2021
Patch / advisory
CVSS Score v3.1 7.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.85 99.7th percentile
Risk Priority 83 floored blend · peak EPSS

Summary

CVE-2021-1675 is a high-severity an unspecified weakness vulnerability in Microsoft Windows Server 2008. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 0.3% of CVEs by exploit likelihood; CISA has added it to the Known Exploited Vulnerabilities catalog; a public proof-of-concept is referenced.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

CVE-2021-1675 is a remote code execution vulnerability affecting the Windows Print Spooler component. It carries a CVSS 3.1 base score of 7.8 and is tracked under NVD-CWE-Other.

The vulnerability can be exploited by an attacker who supplies a malicious printer driver or print job. With local access, no privileges, and user interaction, successful exploitation grants full control over confidentiality, integrity, and availability on the affected system.

Public references include the Microsoft Security Response Center advisory for CVE-2021-1675, the CERT/CC vulnerability note VU#383432, and multiple proof-of-concept artifacts published on Packet Storm that demonstrate Print Spooler remote DLL injection and code execution.

EU & UK References

Vulnerability Data

Windows Print Spooler Remote Code Execution Vulnerability

CWE(s)
KEV Date Added
03 November 2021

Related Threats

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Affected Assets

microsoft
windows 10 1507
≤ 10.0.10240.18967
microsoft
windows 10 1607
≤ 10.0.14393.4467
microsoft
windows 10 1809
≤ 10.0.17763.1999
microsoft
windows 10 1909
≤ 10.0.18363.1621
microsoft
windows 10 2004
≤ 10.0.19041.1052
microsoft
windows 10 20h2
≤ 10.0.19042.1052
microsoft
windows 10 21h1
≤ 10.0.19043.1052
microsoft
windows 7
all versions
microsoft
windows 8.1
all versions
microsoft
windows rt 8.1
all versions
+5 more product configuration(s) — see NVD for full list

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References