How to Fix CVE-2026-1693: PcVue (Bundle Sibling)
By Sai Kiran Pandrala. Last verified: 2026-05-25.
CVE-2026-1693 is a sibling vulnerability in the same vendor advisory as CVE-2026-1692. Apply the same patched build and you close both. The technical detail below is what differs.
| Severity | 5.3 (Medium) |
|---|---|
| Actively exploited? | No public listing in CISA KEV |
| Affected | PcVue 16.0.0 to <=16.3.3; PcVue 15.0.0 to <=15.2.13; PcVue 12.0.0 |
| Fixed in | Same patched build as CVE-2026-1692 |
| Type (CWE) | CWE-1390 Weak Authentication |
What's different about CVE-2026-1693?
The OAuth grant type Resource Owner Password Credentials (ROPC) flow is still used by the werbservices used by the WebVue, WebScheduler, TouchVue and Snapvue features of PcVue in version 12.0.0 through 16.3.3 included despite being deprecated. It might allow a remote attacker to steal user credentials.
How to fix CVE-2026-1693
Apply the patched build per the primary write-up: How to Fix CVE-2026-1692. All commands, verification steps, and rollback notes for PcVue are listed there.
Frequently asked questions
Does the CVE-2026-1692 patch close CVE-2026-1693?
Yes. Both CVEs are addressed by the same vendor patch. Applying the patched build closes the full bundle.
Is CVE-2026-1693 listed in CISA KEV?
No public KEV listing at the time of this writing.
Where is the official advisory?
See https://www.pcvue.com/security/#SB2026-2
References
- Official vendor advisory: https://www.pcvue.com/security/#SB2026-2
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-1693
- CISA KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- Primary: How to Fix CVE-2026-1692
*Written by Sai Kiran Pandrala. Part of the PcVue bundle. Full procedure at how-to-fix-cve-2026-1692.*