EUVD-2026-73296
GHSA-6cw8-rp4c-jfpf
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Network delivery via malicious document requires no target-side privileges; user must open file (UI:R); successful stack overflow yields full C/I/A compromise.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Stack-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.
AnalysisAI
Stack-based buffer overflow in Microsoft Graphics Component enables remote code execution when a victim opens a specially crafted file containing malicious graphics content. Affected products include Microsoft Office LTSC for Mac 2021 and 2024, Microsoft 365 for Mac, and Microsoft Office for Android prior to 16.0.20430.20000. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The victim must actively open a malicious Office document or supported file containing specially crafted graphics content - this is the required user interaction reflected in UI:R. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.8 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) vector accurately reflects a high-severity, document-borne exploit pattern: network delivery (email attachment, web download), no privilege requirements, low complexity, but requiring the victim to open a malicious file. … 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 vendor-released patch immediately via Microsoft AutoUpdate for all Office for Mac editions (LTSC 2021, LTSC 2024, and 365). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, communicate vulnerability details to end users and implement email controls to block suspicious Office attachments with embedded graphics. …
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Same weakness CWE-121 – Stack-based Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
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