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ImageMagick CVE-2026-86424

| EUVDEUVD-2026-72382 LOW
Improper Link Resolution Before File Access (CWE-59)
2026-09-07 VulnCheck GHSA-v7f7-cw7c-4cvq
2.0
CVSS 4.0 · Vendor: VulnCheck

Severity by source

Vendor (VulnCheck) PRIMARY
2.0 LOW
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/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
vuln.today AI
2.5 LOW

Local access and race-condition timing required (AV:L, AC:H); low-privilege credentials needed (PR:L); impact limited to restricted-path writes with no confidentiality or availability effect.

3.1 AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
4.0 AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

4
Patch available
Sep 07, 2026 - 14:02 EUVD
Metadata Corrected
Sep 07, 2026 - 13:40 vuln.today
tag: Authentication Bypass removed
Analysis Generated
Sep 07, 2026 - 13:37 vuln.today
CVE Published
Sep 07, 2026 - 12:53 cve.org
LOW 2.0

DescriptionCVE.org

ImageMagick before 7.1.2-30 and 6.9.13-55 contains a time-of-check-time-of-use (TOCTOU) vulnerability in the video decoder that allows attackers to bypass path policy write restrictions via symlink swaps. An attacker can replace a symlink between policy validation (check-time) and the file write operation (use-time) to write to policy-denied locations.

AnalysisAI

ImageMagick's video decoder contains a TOCTOU race condition that allows a local low-privileged attacker to bypass the policy.xml path write restrictions by swapping a symlink between the policy validation step and the actual file write operation. Both the ImageMagick 7 branch (before 7.1.2-30) and the legacy ImageMagick 6 branch (before 6.9.13-55) are affected, covering a wide range of deployed versions. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires a local account with at least low-privilege access to the target system (PR:L per CVSS 4.0). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 2.0 is well-founded and not a suppression of a more severe underlying issue. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Vendor-released patches are available: upgrade to ImageMagick 7.1.2-30 or later on the 7.x branch, or to ImageMagick 6.9.13-55 or later on the 6.x branch, as confirmed by GHSA-9x6f-98x9-rx6g. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2016-5690 CRITICAL POC
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9.8 Jan 20

Heap buffer overflow in ImageMagick's XBM image decoder (ReadXBMImage) lets remote attackers write attacker-controlled d

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CVE-2026-86424 vulnerability details – vuln.today

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