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Android CVE-2026-58822

| EUVDEUVD-2026-74023 CRITICAL
Incorrect Type Conversion or Cast (CWE-704)
2026-09-08 security@android.com GHSA-xv99-644v-jp6p
9.8
CVSS 3.1 · Vendor: android
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Vendor (android) PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vuln.today AI
9.8 CRITICAL

Memory-safety RCE in a system font parser reachable without privileges or user interaction and delivered via network-borne content yields full CIA impact.

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

Primary rating from Vendor (android).

CVSS VectorVendor: android

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Metadata Corrected
Sep 08, 2026 - 22:40 vuln.today
tag: Android added
Analysis Generated
Sep 08, 2026 - 22:08 vuln.today
CVE Published
Sep 08, 2026 - 19:18 cve.org
CRITICAL 9.8

DescriptionCVE.org

In multiple functions of ftsmooth.c, there is a possible memory safety issue due to improper casting. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

AnalysisAI

Remote code execution in Android (versions 14 through 17) arises from improper type casting in multiple functions of ftsmooth.c, the anti-aliased smooth rasterizer of the bundled FreeType font-rendering engine. An attacker can trigger memory corruption through a maliciously crafted font with no user interaction and no additional execution privileges, per the September 2026 Android Security Bulletin. …

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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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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires the target Android device (version 14, 15, 16, 16-qpr2, or 17) to process an attacker-crafted font through FreeType's smooth/anti-aliased rendering path in ftsmooth.c. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The provided CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N, C:H/I:H/A:H, score 9.8) reflects an unauthenticated, no-interaction RCE, and the CWE-704 memory-safety class in a font parser is a historically reliable exploitation target. … 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 Apply the Android security update corresponding to the 2026-09-01 patch level or later on all affected devices (Android 14 through 17); the fix is delivered via the monthly Android security bulletin at https://source.android.com/docs/security/bulletin/2026/2026-09-01. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Inventory all organizational devices running Android 14-17 and alert users to avoid opening font files from untrusted or external sources; notify your mobile device management team to prepare for incident response. …

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CVE-2026-58822 vulnerability details – vuln.today

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