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CVE-2025-47987

Credential Security Support Provider Protocol (CredSSP) Elevation of Privilege Vulnerability

CVSS 7.8 HIGHEPSS 1.7%CWE-122CWE-190
Vexday Risk Score
41Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 7.8EPSS 1.7%KEV nãoPoC públicaNuclei —Metasploit —Patch referenciado
Lifecycle
08 Jul 2025Published on NVD
22 Aug 2025Public PoC
Recommendation: Plan a near-term fix — a public PoC already exists.
Heap-based buffer overflow in Windows Cred SSProvider Protocol allows an authorized attacker to elevate privileges locally.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Windows 10 Version 1507Microsoft · Windows 10 Version 1607Microsoft · Windows 10 Version 1809Microsoft · Windows 10 Version 21H2Microsoft · Windows 10 Version 22H2Microsoft · Windows 11 version 22H2Microsoft · Windows 11 version 22H3Microsoft · Windows 11 Version 23H2Microsoft · Windows 11 Version 24H2Microsoft · Windows Server 2008 R2 Service Pack 1Microsoft · Windows Server 2008 R2 Service Pack 1 (Server Core installation)Microsoft · Windows Server 2008 Service Pack 2Microsoft · Windows Server 2008 Service Pack 2 (Server Core installation)Microsoft · Windows Server 2012Microsoft · Windows Server 2012 R2Microsoft · Windows Server 2012 R2 (Server Core installation)Microsoft · Windows Server 2012 (Server Core installation)Microsoft · Windows Server 2016Microsoft · Windows Server 2016 (Server Core installation)Microsoft · Windows Server 2019Microsoft · Windows Server 2019 (Server Core installation)Microsoft · Windows Server 2022Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft · Windows Server 2025Microsoft · Windows Server 2025 (Server Core installation)
public PoCs found — 3
githubgithub.com/Kryptoenix/CVE-2025-47987_PoC★ 1githubgithub.com/kaleth4/CVE-2025-47987★ 0exploitdbwww.exploit-db.com/exploits/52541unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47987