CVE-2026-12862
CVE-2026-12862 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-148.
Key facts
- Severity: Medium (CVSS 4.0 base score 5.1)
- EPSS exploit prediction: 0% (13th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-38220
- Weakness: CWE-148
- Published:
- Last modified:
Description
Untrusted user data was passed verbatim to Excel exports for administrators. This allowed formula injection which can be used to compromise the environment of the user loading the file or other data in the file.
Frequently asked questions
- What is CVE-2026-12862?
- Untrusted user data was passed verbatim to Excel exports for administrators. This allowed formula injection which can be used to compromise the environment of the user loading the file or other data in the file.
- How severe is CVE-2026-12862?
- CVE-2026-12862 has a CVSS 4.0 base score of 5.1, rated medium severity.
- Is CVE-2026-12862 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-12862?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-12862 have an EU (EUVD) identifier?
- Yes. CVE-2026-12862 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38220.
- When was CVE-2026-12862 published?
- CVE-2026-12862 was published on 2026-06-22 and last updated on 2026-06-23.