CVE-2025-47981
Microsoft Windows SPNEGO Heap-based Buffer Overflow
Description
Heap-based buffer overflow in Windows SPNEGO Extended Negotiation allows an unauthorized attacker to execute code over a network.
INFO
Published Date :
July 8, 2025, 5:15 p.m.
Last Modified :
July 10, 2025, 1:19 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2025-47981 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2025-47981
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-47981.
| URL | Resource |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47981 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-47981 vulnerability anywhere in the article.
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Cyber Security News
Microsoft Patches Wormable RCE Vulnerability in Windows and Windows Server
Microsoft has released critical security updates to address CVE-2025-47981, a severe heap-based buffer overflow vulnerability in the SPNEGO Extended Negotiation (NEGOEX) Security Mechanism that affect ... Read more
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Help Net Security
Microsoft fixes critical wormable Windows flaw (CVE-2025-47981)
For July 2025 Patch Tuesday, Microsoft has released patches for 130 vulnerabilities, among them one that’s publicly disclosed (CVE-2025-49719) and a wormable RCE bug on Windows and Windows Server (CVE ... Read more
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security.nl
Kritieke lekken in Windows, Office en SharePoint laten aanvaller code uitvoeren
Verschillende kritieke lekken in Windows, Microsoft Office en SharePoint maken remote code execution (RCE) mogelijk, waarbij er geen interactie van gebruikers is vereist. Het Windows-lek is volgens on ... Read more
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krebsonsecurity.com
Microsoft Patch Tuesday, July 2025 Edition
Microsoft today released updates to fix at least 137 security vulnerabilities in its Windows operating systems and supported software. None of the weaknesses addressed this month are known to be activ ... Read more
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The Register
Microsoft enjoys first Patch Tuesday of 2025 with no active exploits
For the first time this year, Microsoft has released a Patch Tuesday bundle with no exploited security problems, although one has been made public already, and there are ten critical flaws to fix. Jul ... Read more
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The Cyber Express
Microsoft Patch Tuesday July 2025: 130 Vulnerabilities Fixed, 17 High-Risk
Patch Tuesday for July 2025 was the busiest day for Microsoft fixes since January, with 130 Microsoft CVEs patched – including 17 ones at high risk for exploitation. July’s total also included 10 non- ... Read more
The following table lists the changes that have been made to the
CVE-2025-47981 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
Jul. 08, 2025
Action Type Old Value New Value Added Description Heap-based buffer overflow in Windows SPNEGO Extended Negotiation allows an unauthorized attacker to execute code over a network. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-122 Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47981
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-47981 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-47981
weaknesses.