[UPDATE] [high] tigervnc: Vulnerability allows information disclosure, file manipulation, and denial of service
A local attacker can exploit a vulnerability in tigervnc to disclose information, manipulate files, and conduct a denial of service attack.
CSIRTS triage
- What
- A vulnerability allows local attackers to disclose information, manipulate files, and conduct denial of service attacks.
- Who is affected
- Local deployments of tigervnc.
- Urgency
- Remediation is urgent due to the high severity of the vulnerability.
- Action
- Update to the latest version of tigervnc.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0888
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-343520.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 16% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-34352 | coverage & exploitation status | NVD · CVE.org |
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