CVE-2019-0803

critical-risk
Published 2019-04-09

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.

Do I need to act?

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89.8% chance of exploitation in next 30 days
EPSS score — higher than 10% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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1 public exploit available
46920
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (20)

Affected Vendors

Microsoft

References (5)

Third Party Advisory http://packetstormsecurity.com/files/153034/Microsoft-Windows-Win32k-Privilege-E...
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0803
Third Party Advisory http://packetstormsecurity.com/files/153034/Microsoft-Windows-Win32k-Privilege-E...
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0803
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-...
73
/ 100
critical-risk
Severity 24/34 · High
Exploitability 27/34 · High
Exposure 22/34 · High