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CVE-2026-10817— Insufficient input validation leading to memory overread

Quick assessment

Affected
NetScaler ADC
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

NetScaler ADC是NetScaler公司的一款负载均衡产品。 NetScaler ADC存在缓冲区错误漏洞，该漏洞源于当TCP Profile启用TCP时间戳并与虚拟服务器或服务关联时输入验证不足，导致内存过度读取。

AI Predicted 7.5 Difficulty: Easy EPSS 0.56% · P45

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 6

VendorProduct Version RangeStatus
NetScaler ADC 14.1< 72.61 affected
13.1< 63.18 affected
14.1 FIPS< 72.61 affected
13.1 FIPS and NDcPP< 37.272 affected
NetScaler Gateway 14.1< 72.61 affected
13.1< 63.18 affected
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I. Basic Information for CVE-2026-10817

Vulnerability Information
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Vulnerability Title
Insufficient input validation leading to memory overread
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient input validation leading to memory overread in NetScaler ADC and NetScaler Gateway if the TCP TimeStamp is enabled in TCP Profile and is associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
NetScaler ADC 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NetScaler ADC是NetScaler公司的一款负载均衡产品。 NetScaler ADC存在缓冲区错误漏洞，该漏洞源于当TCP Profile启用TCP时间戳并与虚拟服务器或服务关联时输入验证不足，导致内存过度读取。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
NetScaler ADC 14.1 ~ 72.61 -
NetScaler Gateway 14.1 ~ 72.61 -

II. Public POCs for CVE-2026-10817

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III. Intelligence Information for CVE-2026-10817

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Vendor Advisories for CVE-2026-10817 (1)

Same Patch Batch · NetScaler · 2026-06-30 · 6 CVEs total

CVE-2026-8452 8.8 HIGH Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of
CVE-2026-10816 Arbitrary File Read (Unauthenticated)
CVE-2026-13474 Denial of service via malformed HTTP/2 requests
CVE-2026-8655 Multiple Memory overflow vulnerabilities leading to unpredictable or erroneous behavior an
CVE-2026-8451 Insufficient input validation leading to memory overread

IV. Related Vulnerabilities

Same product: ADC
Same vendor: NetScaler
Same weakness: CWE-125

V. Comments for CVE-2026-10817

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