⚠ Actively exploited
Added to CISA KEV on 2021-11-03. Federal agencies required to patch by 2022-05-03. Required action: Apply updates per vendor instructions..

CVE-2019-0803 — Microsoft Windows vulnerability

37 documents14 sources
Severity
7.8HIGHNVD
EPSS
89.8%
top 0.43%
CISA KEV
KEV
Added 2021-11-03
Due 2022-05-03
Exploit
Exploited in wild
Active exploitation observed
Affected products
22
Microsoft WindowsMicrosoft Windows ServerMicrosoft Windows 10+19 more
Timeline
PublishedApr 9
KEV addedNov 3
KEV dueMay 3
Latest updateJun 28
CISA Required Action: Apply updates per vendor instructions.

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages20 packages

▶CVEListV5microsoft/windows20 versions+19

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

5
GHSA
GHSA-vgp9-2hhf-fp9r: An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation↗2022-05-13
▶
GHSA
GHSA-6h99-5j8v-7r3p: An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation↗2022-05-13
▶
GHSA
GHSA-95q5-9858-rcxm: An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation↗2022-05-13
▶
Project0
Detection Deficit: A Year in Review of 0-days Used In-The-Wild in 2019 - Project Zero↗2020-07-01
▶
VulnCheck
Microsoft Win32k Privilege Escalation Vulnerability↗2019
▶

💥Exploits & PoCs

1
Exploit-DB
Microsoft Windows - 'Win32k' Local Privilege Escalation↗2019-05-15
▶

📋Vendor Advisories

2
CISA
Microsoft Win32k Privilege Escalation Vulnerability↗2021-11-03
▶
Microsoft
Win32k Elevation of Privilege Vulnerability↗2019-04-09
▶

🕵️Threat Intelligence

26
Unit42
Manic Menagerie 2.0: The Evolution of a Highly Motivated Threat Actor↗2023-06-28
▶
Unit42
Manic Menagerie 2.0: The Evolution of a Highly Motivated Threat Actor↗2023-06-28
▶
Qualys
Managing CISA Known Exploited Vulnerabilities with Qualys VMDR | Qualys↗2022-02-23
▶
Trendmicro
Manage Zero Day Exploits (ZDI) with Trend Micro Solutions↗2021-04-28
▶
Trendmicro
Manage Zero Day Exploits (ZDI) with Trend Micro Solutions↗2021-04-28
▶
CVE-2019-0803 — Microsoft Windows vulnerability | cvebase