peter bassill · operator
$ cve CVE-2019-0803 JSON

CVE-2019-0803 KEV EXPLOIT

7.8
HIGH · CVSS 3.1 · EPSS 45% (pctl 99)

Patch first

On CISA KEV — known exploited in the wild, due 2022-05-03.

Description

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 CVE ID is unique from CVE-2019-0685, CVE-2019-0859.

Scoring

CVSS7.8 (HIGH, v3.1)
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS44.95% — more likely to be exploited than 99% of all CVEs
On CISA KEVyes — remediate by 2022-05-03
Public exploityes
Published2019-04-09
Last modified2026-06-17

CISA KEV

NameMicrosoft Win32k Privilege Escalation Vulnerability
Added2021-11-03
Due2022-05-03
Vendor / productMicrosoft / Win32k
Ransomware useknown

Affected (15)

VendorProduct
microsoftwindows 10 1507
microsoftwindows 10 1607
microsoftwindows 10 1703
microsoftwindows 10 1709
microsoftwindows 10 1803
microsoftwindows 10 1809
microsoftwindows 7
microsoftwindows 8.1
microsoftwindows rt 8.1
microsoftwindows server 1709
microsoftwindows server 1803
microsoftwindows server 2008
microsoftwindows server 2012
microsoftwindows server 2016
microsoftwindows server 2019

Public exploits

SourceTitleDate
exploit-dbMicrosoft Windows - 'Win32k' Local Privilege Escalation2019-05-15

References

→ the Explorer  ·  watch your stack  ·  NVD