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CVE-2018-8577

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka…

High7.8EPSS 19.1%
Published
Updated
Reserved
Assigned by
microsoft

Description

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka "Microsoft Excel Remote Code Execution Vulnerability." This affects Microsoft Office, Office 365 ProPlus, Microsoft Excel, Microsoft Excel Viewer, Excel. This CVE ID is unique from CVE-2018-8574.

Timeline

  1. ID reserved

    By microsoft

  2. · 8 months later

    Published

  3. · 6 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2018-8577, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0High7.8CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
19.1% · top 2.7% of all CVEs (8 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Weakness

  • Remote Code Execution

Affected products

  • Microsoft · Microsoft Office

    • affected 2010 Service Pack 2 (32-bit editions)
    • affected 2010 Service Pack 2 (64-bit editions)
    • affected 2013 RT Service Pack 1
    • affected 2013 Service Pack 1 (32-bit editions)
    • affected 2013 Service Pack 1 (64-bit editions)
    • affected 2016 (32-bit edition)
    • affected 2016 (64-bit edition)
    • affected 2016 for Mac
    • affected 2019 for 32-bit editions
    • affected 2019 for 64-bit editions
    • affected 2019 for Mac
    • affected Compatibility Pack Service Pack 3
    • affected Web Apps Server 2013 Service Pack 1

  • Microsoft · Microsoft Excel

    • affected 2010 Service Pack 2 (32-bit editions)
    • affected 2010 Service Pack 2 (64-bit editions)
    • affected 2013 RT Service Pack 1
    • affected 2013 Service Pack 1 (32-bit editions)
    • affected 2013 Service Pack 1 (64-bit editions)
    • affected 2016 (32-bit edition)
    • affected 2016 (64-bit edition)

  • Microsoft · Microsoft Excel Viewer

    • affected 2007 Service Pack 3

  • Microsoft · Excel

    • affected Services on Microsoft SharePoint Server 2010 Service Pack 2

  • Microsoft · Office

    • affected 365 ProPlus for 32-bit Systems
    • affected 365 ProPlus for 64-bit Systems

References (3)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2018-8577 badge
[![CVE-2018-8577](https://cveledger.app/badge/CVE-2018-8577.svg)](https://cveledger.app/cve/CVE-2018-8577)

Record last updated .