EUVD-2026-73832
GHSA-58px-q988-9jg9
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Document-parsing trigger requires active user open (UI:R); no auth or privileges needed; read-only memory disclosure yields C:H with no integrity or availability impact.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information over a network.
AnalysisAI
Out-of-bounds read in multiple Microsoft Office SKUs allows a remote unauthenticated attacker to disclose in-process memory contents by inducing a user to open a specially crafted document. Affected builds span Microsoft 365 Apps for Enterprise, Office 2019/2021/2024 LTSC on Windows, and multiple Mac variants. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that a user actively open a specially crafted Office document; UI:R in the CVSS vector reflects this mandatory human interaction gate, and SSVC Automatable: no confirms that mass automated targeting is not feasible. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 6.5 score reflects a meaningful but bounded risk: network reachability (AV:N) and no required privileges (PR:N) widen the attacker pool, but mandatory user interaction (UI:R) prevents automated mass exploitation - a limit corroborated by SSVC Automatable: none. … 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 patches distributed through Microsoft Update and Click-to-Run channels. … 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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