November 3, 2021 · Applied Cybernetics Group
CVE-2019-0797 — Microsoft Win32k
Microsoft Win32k Privilege Escalation Vulnerability
- Added to KEV
2021-11-03- Federal due date
2022-05-03- Vendor
- Microsoft
- Product
- Win32k
- EPSS
- 89.3th percentile (score 0.045, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2019-0797
CISA short description
Microsoft Win32k contains a privilege escalation vulnerability when the Win32k component fails to properly handle objects in memory. Successful exploitation allows an attacker to execute code in kernel mode.
Required action
Apply updates per vendor instructions.