CVE-2026-34714
CVE-2026-34714 is a critical-severity vulnerability in Vim with a CVSS 3.x base score of 9.2. 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-78.
Key facts
- Severity: Critical (CVSS 3.x base score 9.2)
- EPSS exploit prediction: 1% (44th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-17160
- Weakness: CWE-78
- Affected product: Vim
- Published:
- Last modified:
Description
Vim before 9.2.0272 allows code execution that happens immediately upon opening a crafted file in the default configuration, because %{expr} injection occurs with tabpanel lacking P_MLE.
Frequently asked questions
- What is CVE-2026-34714?
- Vim before 9.2.0272 allows code execution that happens immediately upon opening a crafted file in the default configuration, because %{expr} injection occurs with tabpanel lacking P_MLE.
- How severe is CVE-2026-34714?
- CVE-2026-34714 has a CVSS 3.x base score of 9.2, rated critical severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
- Is CVE-2026-34714 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-34714?
- CVE-2026-34714 affects Vim. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-34714?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2026-34714 have an EU (EUVD) identifier?
- Yes. CVE-2026-34714 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17160.
- When was CVE-2026-34714 published?
- CVE-2026-34714 was published on 2026-03-30 and last updated on 2026-06-30.
References
- https://github.com/vim/vim/commit/664701eb7576edb7c7c7d9f2d600815ec1f43459
- https://github.com/vim/vim/releases/tag/v9.2.0272
- https://github.com/vim/vim/security/advisories/GHSA-2gmj-rpqf-pxvh
- https://www.openwall.com/lists/oss-security/2026/03/30/3
- http://www.openwall.com/lists/oss-security/2026/04/02/4
- http://www.openwall.com/lists/oss-security/2026/04/02/5
- http://www.openwall.com/lists/oss-security/2026/04/03/6
- https://access.redhat.com/security/cve/CVE-2026-34714
- https://bugzilla.redhat.com/show_bug.cgi?id=2453139
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34714.json
Affected products (1)
- cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:*
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