Vulnerability in Microsoft Windows 10

CVE-2018-8453

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka "Win32k Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8…

EPSS: 0.698 (99.3th percentile) — read the EPSS interpretation.

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.

Affected products

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

Frequently asked questions

What is CVE-2018-8453?
CVE-2018-8453 is a high-severity vulnerability in Microsoft Windows 10. CVSS score: 7.8/10. Published 2018-10-10.
How severe is CVE-2018-8453?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2018-8453 known to be exploited?
Yes. CVE-2018-8453 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-01-21), indicating it is being actively exploited. 60 public proof-of-concept repositories are indexed.