CVE-2025-47981
CRITICALMicrosoft Windows 10 1507 < 10.0.10240.21073 - Heap Buffer Overflow
Title source: ruleDescription
Heap-based buffer overflow in Windows SPNEGO Extended Negotiation allows an unauthorized attacker to execute code over a network.
References (3)
Core 3
Core References
Vendor Advisory vendor-advisory
patch
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47981
Exploit, Third Party Advisory
https://www.vicarius.io/vsociety/posts/cve-2025-47981-detection-script-heap-based-buffer-overflow-in-windows-spnego-extended-negotiation
Exploit, Mitigation, Third Party Advisory
https://www.vicarius.io/vsociety/posts/cve-2025-47981-mitigation-script-heap-based-buffer-overflow-in-windows-spnego-extended-negotiation
Scores
CVSS v3
9.8
EPSS
0.0220
EPSS Percentile
84.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-122
Status
published
Products (16)
microsoft/windows_10_1507
< 10.0.10240.21073 (2 CPE variants)
microsoft/windows_10_1607
< 10.0.14393.8246 (2 CPE variants)
microsoft/windows_10_1809
< 10.0.17763.7558 (2 CPE variants)
microsoft/windows_10_21h2
< 10.0.19044.6093
microsoft/windows_10_22h2
< 10.0.19045.6093
microsoft/windows_11_22h2
< 10.0.22621.5624
microsoft/windows_11_23h2
< 10.0.22631.5624
microsoft/windows_11_24h2
< 10.0.26100.4652
microsoft/windows_server_2008
r2 sp1
microsoft/windows_server_2012
... and 6 more
Published
Jul 08, 2025
Tracked Since
Feb 18, 2026