PT-2025-28521 · Microsoft · Windows

Erik Egsgard + 1 · Published 2025-07-08 · Updated 2026-01-06 · CVE-2025-47987

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Windows (affected versions not specified)

Description: The issue concerns a heap-based buffer overflow in the Windows Cred SSProvider Protocol. This allows an authorized attacker to elevate privileges locally. There is no information provided about the estimated number of potentially affected devices worldwide or details about real-world incidents where this issue was exploited.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Integer Overflow

Heap Based Buffer Overflow

Weakness Enumeration

CWE-190

CWE-122

Related Identifiers

BDU:2025-08334

CVE-2025-47987

Affected Products

Windows

References · 13

• 🔥 https://exploit-db.com/exploits/52541 · Exploit
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47987 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-47987 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-47987 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-47987 · Security Note
• https://bdu.fstec.ru/vul/2025-08334 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-47987 · Security Note
• https://twitter.com/ThreatSynop/status/2008622777431961906 · Twitter Post
• https://twitter.com/CVEnew/status/1942958482522575245 · Twitter Post
• https://twitter.com/kryptoenix/status/1961120006457991567 · Twitter Post
• https://twitter.com/0patch/status/2008546218000216186 · Twitter Post
• https://reddit.com/r/SecOpsDaily/comments/1q5kx6d/micropatches_released_for_credential_security · Reddit Post
• https://reddit.com/r/SecOpsDaily/comments/1q5rl6w/secopsdaily_20260106_roundup · Reddit Post