A tampering vulnerability exists when Microsoft Outlook does not properly handle specific attachment types when rendering HTML emails, aka…

Description

A tampering vulnerability exists when Microsoft Outlook does not properly handle specific attachment types when rendering HTML emails, aka "Microsoft Office Tampering Vulnerability." This affects Microsoft Word, Microsoft Office.

Scores

EPSS (exploitation in 30 days)

5.9% · top 6.8% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

• Tampering

Affected products

• Microsoft · Microsoft Word

  • 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 Office

  • affected 2010 Service Pack 2 (32-bit editions)
  • affected 2010 Service Pack 2 (64-bit editions)
  • affected 2016 Click-to-Run (C2R) for 32-bit editions
  • affected 2016 Click-to-Run (C2R) for 64-bit editions

References (3)

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8310 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 104615 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 1041274 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred

Sources

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

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2018-8310](https://trackcve.app/badge/CVE-2018-8310.svg)](https://trackcve.app/cve/CVE-2018-8310)

Record last updated 5 Aug 2024, 06:54 UTC.