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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2019-0808

Microsoft Win32k Privilege Escalation Vulnerability

KEVHIGH 7.8EPSS 53.0%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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-2019-0797.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
53.02% probability · 99th percentile
CISA KEV
Listed 3 November 2021 · due 3 May 2022
Affected
microsoft/windows 7 · microsoft/windows server 2008
Source
secure@microsoft.com

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2019-0808

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.