EUVD-2026-73731
GHSA-5673-8hm9-823v
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
File delivered over network requires user to open it (UI:R); type confusion leaks memory contents (C:H) but cannot alter or crash the system (I:N, A:N).
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Access of resource using incompatible type ('type confusion') in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.
AnalysisAI
Type confusion (CWE-822) in Microsoft Office PowerPoint allows a remote unauthenticated attacker to disclose sensitive information from a victim's system by inducing them to open a specially crafted presentation file. The vulnerability spans Microsoft 365 Apps for Enterprise, Office LTSC 2021 and 2024, Office 2019, and Mac variants of Office across multiple release channels. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the victim opens a specially crafted PowerPoint presentation file (.pptx or similar) using an affected version of Microsoft Office PowerPoint. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 6.5 score reflects a moderate-severity information disclosure: network-reachable (AV:N), low complexity (AC:L), no attacker privileges required (PR:N), but mandatory user interaction (UI:R), no integrity or availability impact (I:N/A:N). … 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 confirmed available for all major Windows Office editions. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-822 – Untrusted Pointer Dereference
View allSame technique Information Disclosure
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External POC / Exploit Code
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