EUVD-2026-73310
GHSA-vqpw-8f72-ghqw
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
File-based trigger requires local user to open crafted document (AV:L, UI:R); no privileges needed; read-only memory disclosure with no write or availability impact.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.
AnalysisAI
Out-of-bounds read in Microsoft Office PowerPoint exposes process memory contents to a local attacker when a victim opens a specially crafted presentation file. Affected across a wide range of Office versions - PowerPoint 2016, Office 2019, LTSC 2021, LTSC 2024, Office 365/Microsoft 365 Apps for Enterprise on both Windows and Mac platforms. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The victim must actively open a specially crafted PowerPoint file using an affected version of the application on a local system. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 5.5 with a local attack vector (AV:L) and required user interaction (UI:R) accurately reflects moderate real-world risk. … 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 Microsoft security update released via Patch Tuesday, bringing installations to the fixed build numbers: PowerPoint 2016 to 16.0.5569.1002 or later, Office 2019 to 16.0.10417.20204 or later, Office LTSC 2021 to 16.0.14334.20896 or later, Office LTSC 2024 to 16.0.17932.20960 or later, and Microsoft 365 Apps for Enterprise to 16.0.20326.20136 or later. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Information Disclosure
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External POC / Exploit Code
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