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PatchSiren cyber security CVE debrief

CVE-2026-11535 vivo CVE debrief

CVE-2026-11535 is a critical vulnerability in the PcSuite APP that allows unauthorized access to victims' devices. The vulnerability has a CVSS score of 9.4 and was published on [cvePublishedAt](https://www.cve.org/CVERecord?id=CVE-2026-11535). The vendor is currently listed as Unknown Vendor, but evidence suggests a potential link to Vivo ([ref-4](https://www.vivo.com/en/support/security-advisory-detail?id=22)).

Vendor
vivo
Product
PcSuite
CVSS
CRITICAL 9.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-12
Original CVE updated
2026-06-12
Advisory published
2026-06-12
Advisory updated
2026-06-12

Who should care

Security teams and administrators responsible for managing and securing devices with the PcSuite APP should be aware of this vulnerability and take immediate action to mitigate the risk.

Technical summary

The vulnerability exists in the PcSuite APP and can be exploited by attackers to gain unauthorized access to victims' devices. The CVSS vector is CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

Defensive priority

High

Recommended defensive actions

  • Apply patches or updates from the vendor as soon as they become available.
  • Restrict access to the PcSuite APP and monitor for suspicious activity.
  • Implement additional security measures, such as multi-factor authentication and network segmentation.

Evidence notes

The vendor is currently listed as Unknown Vendor, but evidence suggests a potential link to Vivo ([ref-4](https://www.vivo.com/en/support/security-advisory-detail?id=22)).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11535 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11535

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-11535 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11535

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.