ImageMagick before 7.1.2-30 Path Policy TOCTOU Symlink Race
Summary
| CVE | CVE-2026-86422 |
|---|---|
| State | PUBLISHED |
| Assigner | VulnCheck |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-09-07 13:20:41 UTC |
| Updated | 2026-09-10 16:18:02 UTC |
| Description | ImageMagick before 7.1.2-30 contains a time-of-check-time-of-use vulnerability in path policy enforcement on Windows that allows attackers to bypass read or write restrictions by exploiting symlink race conditions. Attackers can swap symlinks between policy validation and file access to read or write policy-denied files. |
Risk And Classification
Primary CVSS: v4.0 1 LOW from [email protected]
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/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
EPSS: 0.001080000 probability, percentile 0.013170000 (date 2026-09-08)
Problem Types: CWE-59 | CWE-59 Improper Link Resolution Before File Access ('Link Following')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 1 | LOW | CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/C... |
| 4.0 | CNA | CVSS | 1 | LOW | CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N |
| 3.1 | [email protected] | Primary | 3.3 | LOW | CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N |
| 3.1 | [email protected] | Secondary | 3.3 | LOW | CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N |
| 3.1 | CNA | CVSS | 3.3 | LOW | CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N |
CVSS v4.0 Breakdown
Attack Vector
LocalAttack Complexity
HighAttack Requirements
PresentPrivileges Required
LowUser Interaction
PassiveConfidentiality
LowIntegrity
LowAvailability
NoneSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/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
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
HighPrivileges Required
LowUser Interaction
RequiredScope
UnchangedConfidentiality
LowIntegrity
LowAvailability
NoneCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Imagemagick | Imagemagick | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | ImageMagick | ImageMagick | affected 7.1.2-30 semver | Not specified |
| CNA | ImageMagick | ImageMagick | unaffected 7.1.2-30 semver | Not specified |
| CNA | ImageMagick | ImageMagick | affected 6.9.13-55 semver | Not specified |
| CNA | ImageMagick | ImageMagick | unaffected 6.9.13-55 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| github.com/ImageMagick/ImageMagick/security/advisories/GHSA-x8g2-7r3w-h44p | [email protected] | github.com | Vendor Advisory |
| www.vulncheck.com/advisories/imagemagick-before-7.1.2-30-path-policy-toctou-sym... | [email protected] | www.vulncheck.com | Third Party Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: gb1dev (en)
There are currently no legacy QID mappings associated with this CVE.