PatchTheCVECVE-2026-116596: Pyrus Sync for Windows contains a local privilege escalation vulnerability caused by missing authorization con
CVE-2026-116596 is a high-severity flaw (CVSS n/a) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Pyrus Sync for Windows contains a local privilege escalation vulnerability caused by missing authorization controls in its PyrusSyncService Windows service, which allow an attacker with unprivileged access to create files using the ISyncService contract.
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | n/a (High) |
| EPSS exploit chance | n/a |
| CISA exploited list | No |
| Published | 2026-10-26 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Advisories and coverage
Research and news
- Vulners Bulletins: CVE-2026-116596 2026-10-26
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-116596?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-116596 being exploited?
CVE-2026-116596 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-116596 affect?
CVE-2026-116596 affects affected software. Severity is high (CVSS n/a). Pyrus Sync for Windows contains a local privilege escalation vulnerability caused by missing authorization controls in its PyrusSyncService Windows service, which allow an attacker with unprivileged access to create files using the ISyncSer
How urgent is CVE-2026-116596?
Priority 0/100. No elevated risk signals yet.