What is CVE-2026-12622?

CVE-2026-12622 is a medium-severity vulnerability in Microchip Gridtime 3000, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 5.4/10. Published 2026-06-19.

How severe is CVE-2026-12622?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Open Redirect in Microchip Gridtime 3000

CVE-2026-12622

The GridTime 3000 GNSS Time Server has an open redirect vulnerability in the password change form submission. This issue affects GridTime 3000: from 1.0r0.03 through 1.1r0.0.

Vulnerability class: Open Redirect

Published 2026-06-19 · last modified 2026-07-09.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (9.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Microchip Gridtime 3000 — versions 1.0r0.03
Microchip Gridtime 3000
Microchip Gridtime 3000 Firmware

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

dc3f6da9-85b5-4a73-84a2-2ec90b40fca5 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-12622?: CVE-2026-12622 is a medium-severity vulnerability in Microchip Gridtime 3000, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 5.4/10. Published 2026-06-19.
How severe is CVE-2026-12622?: Medium severity. CVSS v3 base score is 5.4 out of 10.