Vulnerability in Microsoft Windows 10 1507
CVE-2021-1675
Windows Print Spooler Remote Code Execution Vulnerability
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.853 (99.7th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.861 · newest: 0.853 · change: -0.008
Affected products
- Microsoft Windows 10 1507
- Microsoft Windows 10 1607
- Microsoft Windows 10 1809
- Microsoft Windows 10 1909
- Microsoft Windows 10 2004
- Microsoft Windows 10 20h2
- Microsoft Windows 10 21h1
- Microsoft Windows 10 Version 1507 — versions 10.0.0
- Microsoft Windows 10 Version 1607 — versions 10.0.0
- Microsoft Windows 10 Version 1809 — versions 10.0.0
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1675 (Patch, Vendor Advisory)
- www.kb.cert.org/vuls/id/383432 (US Government Resource, Third Party Advisory, third-party-advisory)
- packetstormsecurity.com/files/163349/Microsoft-PrintNightmare-Proof-Of-Concept… (VDB Entry, Third Party Advisory)
- packetstormsecurity.com/files/163351/PrintNightmare-Windows-Spooler-Service-Rem… (VDB Entry, Third Party Advisory)
- packetstormsecurity.com/files/167261/Print-Spooler-Remote-DLL-Injection.html (Exploit, VDB Entry, Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2021-1675?
- CVE-2021-1675 is a high-severity vulnerability in Microsoft Windows 10 1507. CVSS score: 7.8/10. Published 2021-06-08.
- How severe is CVE-2021-1675?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-1675 known to be exploited?
- Yes. CVE-2021-1675 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 364 public proof-of-concept repositories are indexed.