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Highest advisory severityHigh 1 vendor · 2 advisories

CVE-2026-88777

CVE-2026-88777: 2 tracked advisory records across NetScaler. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

NVD detail CVE.org

Vendor advisory comparison

NetScaler

2 advisories
  • Advisory severityHigh8.8

    High [CVE-2026-88777] Memory overflow vulnerability leading to unpredictable or erroneous behavior or Denial of Service

    CVE-2026-88777Source published Source updated

    Memory overflow vulnerability vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to unpredictable or erroneous behavior or Denial of Service

    Affected products in this advisory
    • Gateway
    Source-reported affected versions
    • ADC before 14.1-73.37
    • ADC before 13.1-64.23
    • ADC before 14.1-73.37 FIPS
    • ADC before 13.1.37.279 FIPS and NDcPP

    2 more entries in the full advisory.

    Source-reported fixed versions
    • 14.1-73.37
    • 13.1-64.23
    • 14.1-73.37 FIPS
    • 13.1.37.279 FIPS and NDcPP
    Mitigation guidance
    No mitigation guidance extracted; consult the source.
    Full advisory and evidenceOpen source bulletin
  • Advisory severityUnrated

    Advisory [CVE-2026-88771 +7] Citrix NetScaler ADC and Citrix NetScaler Gateway Security Bulletin for CVE-2026-88771 through CVE-2026-88778

    netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve-2026-88771-throughSource published

    This bulletin covers 8 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.

    Guidance for customers on newly addressed vulnerabilities and recommended updates As the cybersecurity landscape continues to evolve, organizations across the industry are seeing changes in the pace, scale, and complexity of vulnerability research, discovery, and analysis. AI-assisted research and automation may contribute to this shift by enabling faster identification and validation of certain classes of security issues. Citrix continues to invest in secure development, security testing, coordinated disclosure, and vulnerability response processes. Citrix has released updates for NetScaler ADC and NetScaler Gateway to address multiple security vulnerabilities. These vulnerabilities vary by deployment configuration and enabled features, and include issues that could allow remote code…

    Related products — impact not confirmed
    No product details extracted. Check the source bulletin.
    Source-reported affected versions
    • 15.1
    Source-reported fixed versions
    • 14.1-73.37
    • 13.1-64.23
    • 13.1.37.279
    Mitigation guidance
    • Upgrade to a fixed build: 14.1-73.37, 13.1-64.23, 13.1.37.279 or later for your release line.
    • Citrix strongly urges affected customers to install the relevant updated versions as soon as possible.
    • You are advised to retain the services of experienced forensic investigators to assess your environment.
    Full advisory and evidenceOpen source bulletin

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