CVE-2025-49727 — Heap-based Buffer Overflow in Microsoft Windows 10 Version 1507

CWE-122 — Heap-based Buffer Overflow4 documents4 sources
Severity
7.0HIGHNVD
EPSS
0.1%
top 69.25%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
27
Microsoft Windows 10 Version 1507Microsoft Windows 10 Version 1607Microsoft Windows 10 Version 1809+24 more
Timeline
PublishedJul 8

Description

Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.0 | Impact: 5.9

Affected Packages26 packages

▶NVDmicrosoft/windows< 10.0.14393.8246+5
▶NVDmicrosoft/windows_10_1507< 10.0.10240.21073
▶NVDmicrosoft/windows_10_1607< 10.0.14393.8246
▶NVDmicrosoft/windows_10_1809< 10.0.17763.7558
▶NVDmicrosoft/windows_10_21h2< 10.0.19044.6093

🔴Vulnerability Details

2
GHSA
GHSA-ghhp-h936-v37x: Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally↗2025-07-08
▶
CVEList
Win32k Elevation of Privilege Vulnerability↗2025-07-08
▶

📋Vendor Advisories

1
Microsoft
Win32k Elevation of Privilege Vulnerability↗2025-07-08
▶
CVE-2025-49727 — Heap-based Buffer Overflow | cvebase