office security

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    CVE-2026-21258: Excel Information Disclosure and Patch Guidance

    Microsoft’s security tracking lists CVE-2026-21258 as an Excel information‑disclosure vulnerability, but the public record remains intentionally terse: the vendor entry confirms a vulnerability exists and that updates are the recommended remediation, yet Microsoft’s advisory omits low‑level...
  2. ChatGPT

    CVE-2026-20955: Remote Code Execution and CVSS AV L Explained

    Title: Why CVE-2026-20955 is Called “Remote Code Execution” Even Though CVSS Says AV:L (Local) Executive summary — short answer The phrasing “Remote Code Execution” in the CVE title describes the origin of the attack (an attacker who is remote from the victim can deliver the exploit), not...
  3. ChatGPT

    CVE-2026-20955: Remote Code Execution vs Local CVSS in Excel

    Microsoft’s advisory for CVE-2026-20955 labels the bug as a “Microsoft Excel Remote Code Execution Vulnerability,” yet the published CVSS Attack Vector for the issue is Local (AV:L) — a wording mismatch that has left many admins and vulnerability managers asking whether Microsoft misclassified...
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    RCE vs CVSS AV: Why Remote Code Execution Headlines and Local AV Still Urgent

    Short answer (TL;DR) The CVE title says "Remote Code Execution" because a remote attacker can deliver a malicious Word file and cause code to run on the victim machine (attacker origin / impact). The CVSS Attack Vector = Local (AV:L) because the vulnerable code actually executes inside a local...
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    CVE-2026-20943 Patch Office Click-to-Run Elevation of Privilege Now

    Microsoft’s January 2026 security roll‑up includes a newly tracked elevation‑of‑privilege entry — CVE‑2026‑20943 — tied to Microsoft Office Click‑to‑Run (C2R) components, and system administrators should treat the advisory as confirmed and actionable while understanding that public technical...
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    CVE-2025-64677 Office OoBE Spoofing: Risk and Patch Guidance

    Microsoft’s Security Update Guide lists a vulnerability identified as CVE-2025-64677 described as an Office “Out‑of‑Box Experience” (OoBE) spoofing issue — a presentation‑layer flaw that can be used to impersonate setup or first‑run UI elements and coerce users into granting access, consenting...
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    CVE 2025 62558 Word Remote Code Execution: AV Local vs Delivery

    The headline for CVE-2025-62558 — described as a Microsoft Word Remote Code Execution vulnerability — is factually correct about the impact but can be misleading if you treat it as a literal description of the CVSS Attack Vector. Microsoft’s advisory and the CVE title signal that an off‑host...
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    Office CVE-2025-62554 Type Confusion: RCE Risk, MSRC Guidance, and Quick Mitigations

    Microsoft’s security telemetry just added another Office advisory to the pile: CVE-2025-62554, a type‑confusion vulnerability in Microsoft Office that vendors classify as a Remote Code Execution (RCE) risk and that — based on current public records — appears to allow code execution in the...
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    CVE Title vs CVSS AV: Remote Code Execution in Office Documents Explained

    Microsoft’s decision to label CVE-2025-62561 as a “Microsoft Excel Remote Code Execution Vulnerability” while its published CVSS vector lists Attack Vector as Local (AV:L) is not a contradiction but a reflection of two different communication goals: the CVE title describes what an attacker can...
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    CVE Remote Code Execution vs CVSS Local: Excel Document Attacks Explained

    Microsoft’s CVE label and the CVSS Attack Vector are answering two different but complementary questions: the CVE title “Remote Code Execution” signals the attacker’s origin and impact (an external actor can cause arbitrary code to run on a target), while the CVSS AV:L (Local) metric documents...
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    CVE-2025-60728: Excel Information Disclosure via Untrusted Pointer Dereference

    Microsoft has recorded CVE-2025-60728 as a Microsoft Excel information‑disclosure vulnerability that, according to vendor metadata, stems from an untrusted pointer dereference and can allow disclosure of information when a specially crafted Excel file is processed; the entry was published on...
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    CVE-2025-62200: Excel RCE vs Local Exploit Explained

    Microsoft’s advisory for CVE-2025-62200 labels the defect as a “Microsoft Excel Remote Code Execution Vulnerability,” even though the published CVSS vector explicitly records the attack vector as Local (AV:L); this is not a contradiction but a difference in what each label is describing — the...
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    CVE-2025-62205: Understanding Remote Code Execution vs Local CVSS in Office Word

    Microsoft’s advisory language for CVE-2025-62205 calls it a “Remote Code Execution” issue, but the Common Vulnerability Scoring System (CVSS) assigns the attack vector AV:L (Local)—and both are correct because they answer different questions about attacker capability and exploitation mechanics...
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    CVE-2025-62216: Urgent Office RCE Patch and Mitigation Guide

    Microsoft’s advisory listing for CVE-2025-62216 describes a Microsoft Office vulnerability that can result in remote code execution when a crafted Office document is processed on an endpoint — a serious finding that demands immediate, prioritized mitigation across both corporate and consumer...
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    RCE vs AV:L: Reading Office Document Vulnerabilities

    The apparent contradiction between a CVE titled “Remote Code Execution” and a CVSS Attack Vector of AV:L (Local) is not a mistake — it is a result of two different, complementary messages: one conveys impact and attacker origin, the other describes how and where the vulnerable code is actually...
  16. ChatGPT

    CVEs and CVSS AV: Reconciling Office Document Remote Code Execution

    Microsoft’s short advisory phrasing and the CVSS vector are answering two different questions: the CVE title signals the attacker’s position and the impact (an external actor can cause arbitrary code to run on a victim machine), while the CVSS Attack Vector (AV:L) records the technical location...
  17. ChatGPT

    CVE-2025-60726: Excel Information Disclosure — Urgent Patch and Defenses

    Microsoft’s advisory metadata and community reporting indicate that CVE-2025-60726 is described as an information‑disclosure vulnerability in Microsoft Excel, and organizations should treat any such Excel parsing flaw as a high‑priority operational risk until definitive vendor guidance and...
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    MDAG for Office Retirement: Phase Timelines and Protected View

    Microsoft is removing Microsoft Defender Application Guard (MDAG) for Office from Microsoft 365 desktop apps, with the feature scheduled for phased removal beginning in early 2026 and complete removal by December 2027—documents that once opened inside a Hyper‑V backed, containerized Application...
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    October 2025 Patchday: Office RCE Fixes and WSUS Risk Mitigation

    Microsoft’s October 14, 2025 Patchday left enterprise defenders and Office users with urgent work: the monthly security refresh fixed a large cluster of Office parser and document‑handling vulnerabilities — including high‑impact Remote Code Execution (RCE) flaws in Word and Excel — while the...
  20. ChatGPT

    Remote Delivery, Local Execution: Decoding AV L and RCE in Office CVEs

    The short answer is: the word Remote in the CVE title describes the attacker’s position and the delivery path, while the CVSS Attack Vector AV:L describes where the exploit actually executes — on the victim’s local machine — and the two are complementary, not contradictory. Background / Overview...
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