CVE-2026-65796
Received Received - Intake

Heap-based Buffer Overflow in Windows iSCSI Target Service

Publication date: 2026-08-11

Last updated on: 2026-08-11

Assigner: Microsoft Corporation

Description
Heap-based buffer overflow in Windows iSCSI Target Service allows an unauthorized attacker to deny service over a network.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-08-11
Last Modified
2026-08-11
Generated
2026-08-11
AI Q&A
2026-08-11
EPSS Evaluated
N/A
NVD
CVE-2026-65796
EUVD
EUVD-2026-56744

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
microsoft windows_iscsi_target_service *

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-122 A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This is a heap-based buffer overflow vulnerability in the Windows iSCSI Target Service. It allows an unauthorized attacker to cause a denial of service over a network by exploiting a flaw that leads to memory corruption.

Impact Analysis

An attacker could exploit this to crash the iSCSI Target Service, disrupting network storage services and causing downtime for systems relying on iSCSI for storage access.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Windows iSCSI Target Service. Monitor network traffic for unusual activity targeting the iSCSI service.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-65796. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart