EUVD-2026-35649
GHSA-j65q-5x75-rjwv
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
AnalysisAI
Local code execution in Microsoft Office Word enables an attacker to run arbitrary code in the context of the current user by tricking them into opening a malicious document that triggers an untrusted pointer dereference. With a CVSS 7.8 score and no public exploit identified at time of analysis, the flaw is exploited locally but unauthenticated, relying on user interaction to open a crafted file. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The victim must open an attacker-supplied Microsoft Word document (UI:R in the CVSS vector) on a system with a vulnerable Word build installed, and must either click 'Enable Editing' to leave Protected View or open the file from a Trusted Location/Trusted Document context where Protected View does not apply. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H indicates local attack vector, low complexity, no privileges required, but mandatory user interaction - consistent with a malicious-document opening scenario rather than a remote network exploit. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker emails or shares a crafted Word document (e.g., as a phishing attachment or a link to a OneDrive/SharePoint file) to a target user; when the victim opens the file and dismisses Protected View, Word parses an attacker-controlled structure that causes an untrusted pointer dereference. Memory corruption is steered into shellcode or ROP that executes in the user's session, giving the attacker initial access at the victim's privilege level - typically leading to credential theft, downloader staging, or hands-on-keyboard follow-up. … |
| Remediation | Apply the security update referenced in Microsoft's MSRC advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45471 for the specific Word/Office channel deployed (Click-to-Run, MSI, or Mac); exact patched build numbers are listed on that page and should be cross-checked against installed versions via Office Account → About Word. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Alert all users to avoid opening documents from untrusted sources and enable Word Protected View. …
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Local code execution in Microsoft Office Word arises from an untrusted pointer dereference (CWE-822) that can be trigger
Local code execution in Microsoft Office Word is possible when a user opens a maliciously crafted document that triggers
Same weakness CWE-822 – Untrusted Pointer Dereference
View allSame technique Authentication Bypass
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External POC / Exploit Code
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