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CVE-2026-8452— Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service

Quick assessment

Affected
NetScaler ADC
Exploitation
Confirmed exploitation in the wild; remediate immediately
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，该漏洞源于内存溢出问题，可能导致设备配置为Gateway（SSL VPN、ICA Proxy、CVPN、RDP Proxy）或AAA虚拟服务器时出现不可预测或错误行为以及拒绝服务。

CVSS 8.8 · High KEV EPSS 1.01% · P62

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-2026-8452

Vulnerability Information
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Vulnerability Title
Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service
Source: CVE Program / CVE List V5
Vulnerability Description
Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if the appliance is configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:H/SC:L/SI:L/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
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，该漏洞源于内存溢出问题，可能导致设备配置为Gateway（SSL VPN、ICA Proxy、CVPN、RDP Proxy）或AAA虚拟服务器时出现不可预测或错误行为以及拒绝服务。
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-2026-8452

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III. Intelligence Information for CVE-2026-8452

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Vendor Advisories for CVE-2026-8452 (1)

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

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

V. Comments for CVE-2026-8452

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