PT-2025-10830 · Microsoft · Windows Fast Fat Driver +1

Oruga · Published 2025-03-11 · Updated 2025-07-17 · CVE-2025-24985

Positive Technologies · (AI Summary)

CVSS v3.1

7.8

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

**Name of the Vulnerable Software and Affected Versions:**

Microsoft Windows versions prior to the March 2025 security update.

**Description:**

An integer overflow or wraparound vulnerability exists in the Windows Fast FAT File System Driver. This flaw allows an unauthorized attacker to execute code locally. The vulnerability has been actively exploited in the wild, with threat actors utilizing a backdoor named PipeMagic. Exploitation requires user interaction, such as tricking users into mounting malicious VHD files. The vulnerability can allow remote attackers to execute arbitrary code and affect the system.

**Recommendations:**

Apply the March 2025 security update to mitigate this vulnerability.

Exploit

Fix

RCE

LPE

Buffer Overflow

Heap Based Buffer Overflow

Integer Overflow

Weakness Enumeration

CWE-120

CWE-122

CWE-190

Related Identifiers

BDU:2025-02623

CVE-2025-24985

Affected Products

Windows

Windows Fast Fat Driver

References · 50

• 🔥 https://vicarius.io/vsociety/posts/cve-2025-24985-integer-overflow-vulnerability-in-microsoft-windows-fast-fat-driver-detection-script · Exploit
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-24985 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-24985 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-24985 · Security Note
• https://bdu.fstec.ru/vul/2025-02623 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24985 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-24985 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/718819 · Security Note
• https://twitter.com/TheHackersNews/status/1899760452034294260 · Twitter Post
• https://t.me/c/1129491012/114399 · Telegram Post
• https://vicarius.io/vsociety/posts/cve-2025-24985-integer-overflow-vulnerability-in-microsoft-windows-fast-fat-driver-mitigation-script · Note
• https://reddit.com/r/Action1/comments/1j9hzom/marchs_microsoft_security_update_zerodays_under · Reddit Post
• https://twitter.com/transilienceai/status/1907765486470701165 · Twitter Post
• https://twitter.com/CVEnew/status/1899509203842064847 · Twitter Post
• https://twitter.com/TrellixARC/status/1907837817993974095 · Twitter Post