CVE-2025-47981

Description

Heap-based buffer overflow in Windows SPNEGO Extended Negotiation allows an unauthorized attacker to execute code over a network.

Reserved 2025-05-14 | Published 2025-07-08 | Updated 2025-07-11 | Assigner microsoft

Problem types

CWE-122: Heap-based Buffer Overflow

Product status

10.0.17763.0 before 10.0.17763.7558
affected

10.0.17763.0 before 10.0.17763.7558
affected

10.0.17763.0 before 10.0.17763.7558
affected

10.0.20348.0 before 10.0.20348.3932
affected

10.0.19044.0 before 10.0.19044.6093
affected

10.0.22621.0 before 10.0.22621.5624
affected

10.0.19045.0 before 10.0.19045.6093
affected

10.0.26100.0 before 10.0.26100.4652
affected

10.0.22631.0 before 10.0.22631.5624
affected

10.0.22631.0 before 10.0.22631.5624
affected

10.0.25398.0 before 10.0.25398.1732
affected

10.0.26100.0 before 10.0.26100.4652
affected

10.0.26100.0 before 10.0.26100.4652
affected

10.0.10240.0 before 10.0.10240.21073
affected

10.0.14393.0 before 10.0.14393.8246
affected

10.0.14393.0 before 10.0.14393.8246
affected

10.0.14393.0 before 10.0.14393.8246
affected

6.1.7601.0 before 6.1.7601.27820
affected

6.1.7601.0 before 6.1.7601.27820
affected

6.2.9200.0 before 6.2.9200.25573
affected

6.2.9200.0 before 6.2.9200.25573
affected

6.3.9600.0 before 6.3.9600.22676
affected

6.3.9600.0 before 6.3.9600.22676
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47981 (SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerability) vendor-advisory

cve.org (CVE-2025-47981)

nvd.nist.gov (CVE-2025-47981)

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