AI description
CVE-2025-49689 is an integer overflow or wraparound vulnerability found in Microsoft Windows Virtual Hard Disk (VHDX). It allows an unauthorized attacker to elevate privileges locally on a targeted system. The vulnerability arises from a calculation that can result in an integer overflow or wraparound, potentially leading to weaknesses in resource management or execution control. User interaction is required to exploit this vulnerability. A security update was released on July 8, 2025, to address the vulnerability across multiple Windows versions.
- Description
- Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to elevate privileges locally.
- Source
- secure@microsoft.com
- NVD status
- Analyzed
CVSS 3.1
- Type
- Primary
- Base score
- 7.8
- Impact score
- 5.9
- Exploitability score
- 1.8
- Vector string
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Severity
- HIGH
- secure@microsoft.com
- CWE-125
- Hype score
- Not currently trending
A critical NTFS vulnerability (CVE-2025-49689) allows local attackers to escalate to SYSTEM privileges in Windows 11 using a crafted VHD. Avoid untrusted VHDs! https://t.co/4uUwpCseMh
@the_yellow_fall
11 Jul 2025
758 Impressions
6 Retweets
17 Likes
4 Bookmarks
0 Replies
0 Quotes
Today we released write up about vulnerability that I found and which was patched recently in NTFS.sys CVE-2025-49689. Enjoy! https://t.co/eFTkDN2eSW
@immortalp0ny
9 Jul 2025
11075 Impressions
80 Retweets
183 Likes
65 Bookmarks
0 Replies
2 Quotes
CVE-2025-49689 Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to elevate privileges locally. https://t.co/WoIa2qhkQl
@CVEnew
9 Jul 2025
298 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
š§ Our researcher Sergey Tarasov discovered a vulnerability (CVE-2025-49689) in NTFS on MS Windows. The article dives into the exploitation path, file system internals, VHD format, and more. š Read the article: https://t.co/PJg6wQZKyk https://t.co/n7bDrXh2R0
@ptswarm
9 Jul 2025
2426 Impressions
19 Retweets
37 Likes
14 Bookmarks
0 Replies
0 Quotes
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