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CVE-2026-59856

37
FAUCET Score

Vim is an open source, command line text editor. Prior to 9.2.0736, the PHP omni-completion script in runtime/autoload/phpcomplete.vim interpolates a class or trait name, taken from the contents of the edited buffer, into a search() pattern that is run via win_execute() without escaping. A name containing a single quote can terminate the search() string argument early, and because the bar is honored as an Ex command separator, the remainder of the name is run as Ex commands; via the :! command this allows arbitrary operating-system command execution when a victim opens a crafted PHP file and invokes omni-completion. This issue is fixed in version 9.2.0736.

First published: Jul 9, 2026Last modified: Jul 9, 2026

Impacted Technologies

VendorProductVersion(s)CPE
< 9.2.0736CPE matchmatch criteria
cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

8.4HIGH

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
ACTIVE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.22%
Probability of exploitation in next 30 days
EPSS Percentile
12.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0022 is in the 11th percentile among its peer group of 11,617 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (10)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: azl3 vim 9.2.0735-1 on Azure Linux 3.0Fixed in: 9.2.0782-1
microsoftpatch availablevia msrc
Product: 21574-17084Fixed in: 9.2.0782-1
ubuntupatch availablevia ubuntu_usn
Product: vim (focal)Fixed in: 2:8.1.2269-1ubuntu5.32+esm10
ubuntupatch availablevia ubuntu_usn
Product: vim (jammy)Fixed in: 2:8.2.3995-1ubuntu2.34
ubuntupatch availablevia ubuntu_usn
Product: vim (noble)Fixed in: 2:9.1.0016-1ubuntu7.18
ubuntupatch availablevia ubuntu_usn
Product: vim (resolute)Fixed in: 2:9.1.2141-1ubuntu4.7
ubuntupatch availablevia ubuntu_usn
Product: vim (trusty)Fixed in: 2:7.4.052-1ubuntu3.1+esm31
ubuntupatch availablevia ubuntu_usn
Product: vim (xenial)Fixed in: 2:7.4.1689-3ubuntu1.5+esm37
ubuntupatch availablevia ubuntu_usn
Product: vim (bionic)Fixed in: 2:8.0.1453-1ubuntu1.13+esm22

Vendor Advisories (2)

ubuntuUSN-8541-1

Vim vulnerabilities

Jul 14, 2026
microsoft2026-Jul/CVE-2026-59856Important

Vim: Arbitrary Code Execution via PHP Omni-Completion

Jul 2, 2026

References

github.com / vim/vim/commit/43afc581a37a35762dd0ef292f038b9dc5680a24
Patch
github.com / vim/vim/security/advisories/GHSA-fh26-8f79-wj97
ExploitPatchVendor Advisory