ImageMagick before 7.1.2-30 Path Policy TOCTOU Symlink Race
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- Passive
- Attack complexity
- High
- Attack requirements
- Present
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ImageMagick | ImageMagick | 7.0.0 to before 7.1.2-30 | 7.1.2-30 | Patch available | CNA |
| ImageMagick | ImageMagick | before 6.9.13-55 | 6.9.13-55 | Patch available | CNA |
- ImageMagick VendorImageMagick Affected 7.0.0 to before 7.1.2-30 Fixed in 7.1.2-30 Patch available CNA
- ImageMagick VendorImageMagick Affected before 6.9.13-55 Fixed in 6.9.13-55 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:* | before 6.9.13-55; 7.0.0-0 to before 7.1.2-30 | Vulnerable | ImageMagick |
- cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:* Versions before 6.9.13-55; 7.0.0-0 to before 7.1.2-30 Vulnerable ·ImageMagick
Remediation
- Fix · CNA ImageMagick (ImageMagick) Fixed in 7.1.2-30
- Fix · CNA ImageMagick (ImageMagick) Fixed in 6.9.13-55
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
ImageMagick 6.9.13-55, 7.1.2-30
6 records Highest priority Priority LOW 6 LOW
Other records, highest priority first
- TI-2026-59129 ImageMagick before 7.1.2-30 Memory Leak via MSL decoderPriority LOW 28
- TI-2026-59128 ImageMagick before 7.1.2-30 Denial of Service Memory BudgetPriority LOW 28
- TI-2026-59133 ImageMagick before 7.1.2-30 Heap-use-after-free via LayerPriority LOW 21
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 2 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2026-86422
- 2026-10-03 Alias added: GHSA-66p9-q2qw-cpw8
- 2026-10-29 Affected versions changed · CNA
References
More Imagemagick vulnerabilities
- TI-2016-03144 The (1) EPHEMERAL, (2) HTTPS, (3) MVG, (4) MSL, (5) TEXT, (6) SHOW, (7) WIN, and (8) PLT… KEVCVSS 3.1HIGH 8.4
- TI-2023-16996 Improper input validation in ImageMagick CVSS 3.1CRITICAL 9.8
- TI-2016-03148 The (1) HTTP and (2) FTP coders in ImageMagick before 6.9.3-10 and 7.x before 7.0.1-1… KEVCVSS 3.1MEDIUM 5.5
- TI-2016-03145 The EPHEMERAL coder in ImageMagick before 6.9.3-10 and 7.x before 7.0.1-1 allows remote… KEVCVSS 3.1MEDIUM 5.5
- TI-2025-35690 ImageMagick BlobStream Forward-Seek Under-Allocation CVSS 3.1CRITICAL 9.8
- TI-2025-33094 ImageMagick has Stack Buffer Overflow in image.c CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-86422 · CVE Program
- CVE-2026-86422 · NVD
- FIRST EPSS
- GHSA-66p9-q2qw-cpw8 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-86422 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences