EUVD-2026-73793
GHSA-jxhq-hj2x-7r7w
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Network delivery via malicious document (AV:N), no auth required (PR:N), user must open file (UI:R), confidentiality-only impact from memory read (C:H/I:N/A:N).
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
AnalysisAI
Out-of-bounds memory read in Microsoft Office Word's document parser exposes sensitive process memory to remote attackers when a victim opens a specially crafted Word file. The flaw spans Word 2016 through Office LTSC 2024 and Microsoft 365 Apps on both Windows (x86/x64) and macOS. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The victim must actively open or preview the crafted Word document in an affected version of Microsoft Word; this is reflected in the CVSS UI:R metric. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 6.5 with AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N reflects a meaningful but constrained risk: network reachable with low complexity but requiring victim interaction (opening or previewing a malicious document). … 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 Update or the Microsoft Update Catalog. … 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 Buffer Overflow
View allShare
External POC / Exploit Code
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