CVE-2019-1434 — Out-of-bounds Write in Microsoft Windows

CWE-787 — Out-of-bounds Write24 documents7 sources
Severity
7.8HIGHNVD
EPSS
0.4%
top 39.47%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
9
Microsoft WindowsMicrosoft Windows 10 Version 1903 FOR 32-bit SystemsMicrosoft Windows 10 Version 1903 FOR Arm64-based Systems+6 more
Timeline
PublishedNov 12
Latest updateMay 24

Description

An elevation of privilege vulnerability exists in Windows when the Windows kernel-mode driver fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1393, CVE-2019-1394, CVE-2019-1395, CVE-2019-1396, CVE-2019-1408.

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 Packages7 packages

▶CVEListV5microsoft/windows18 versions+17
▶NVDmicrosoft/windowsr2, 1803, 1903+2
▶NVDmicrosoft/windows_105 versions+4
▶CVEListV5microsoft/windows_server17 versions+16

Patches

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

🔴Vulnerability Details

12
GHSA
GHSA-72jm-vxvq-785v: An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation↗2022-05-24
▶
GHSA
GHSA-f5gh-x8hf-4hph: An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation↗2022-05-24
▶
GHSA
GHSA-6r9q-m8vh-p7px: An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation↗2022-05-24
▶
GHSA
GHSA-9rxc-h98c-xqcv: An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation↗2022-05-24
▶
GHSA
GHSA-3f29-2mxq-538c: An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation↗2022-05-24
▶

💥Exploits & PoCs

2
Exploit-DB
AppXSvc 17763 - Arbitrary File Overwrite (DoS)↗2019-12-11
▶
Exploit-DB
AppXSvc - Privilege Escalation↗2019-09-16
▶

📋Vendor Advisories

1
Microsoft
Win32k Elevation of Privilege Vulnerability↗2019-11-12
▶

🕵️Threat Intelligence

2
Talos
Microsoft Patch Tuesday — Nov. 2019: Vulnerability disclosures and Snort coverage↗2019-11-12
▶
Talos
Microsoft Patch Tuesday — Nov. 2019: Vulnerability disclosures and Snort coverage↗2019-11-12
▶
CVE-2019-1434 — Out-of-bounds Write in Microsoft | cvebase