Security readout for executives and security teams
CVE-2026-28422 is a low-severity Vim flaw. A specially configured statusline using a multi-byte fill character on a very wide terminal can trigger a stack buffer overflow. The documented impact is limited, requires local user interaction, and is patched in Vim 9.2.0078. Exposure is limited to systems running Vim versions earlier than 9.2.0078. Practical exposure appears highest where users can run Vim locally and use or open configurations that influence the statusline rendering path. Treat as routine patching, not an emergency. Address during normal endpoint and server maintenance, with modest priority for systems where untrusted local users or shared administrative workflows use Vim. Mitigation focus: Upgrade Vim to version 9.2.0078 or later.; Apply operating system or distribution Vim packages containing the fix.; Check vendor advisories if packaged Vim versions use backported patches..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-121: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-28422 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Low
- CVSS
- 2.2 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N0.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
2.2LowVector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/vim/vim/security/advisories/GHSA-gmqx-prf2-8mwfCVE reference · x_refsource_CONFIRM
- https://github.com/vim/vim/commit/4e5b9e31cb7484ad156fCVE reference · x_refsource_MISC
- https://github.com/vim/vim/releases/tag/v9.2.0078CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Stack-based Buffer Overflow
Stack-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.