ZDI-26-607: Microsoft Office HTML Injection Information Disclosure Vulnerability
Admiralty grading (A–F · 1–6)
Source reliability
- A Completely reliable
- B Usually reliable
- C Fairly reliable
- D Not usually reliable
- E Unreliable
- F Cannot be judged
Information credibility
- 1 Confirmed
- 2 Probably true
- 3 Possibly true
- 4 Doubtful
- 5 Improbable
- 6 Cannot be judged
NATO Admiralty (AJP-2.1) grades confidence, independent of the risk score. Cross-source corroboration isn't tracked for non-CVE news, so single-source items are capped at a lower credibility number; a low number does not imply low quality.
Key insight
ZDI-26-607 enables information disclosure in Microsoft Office via HTML injection and requires user interaction; CVSS 7.6 with potential escalation depending on exploitation chain.
Description
Vulnerability ZDI-26-607 is an HTML injection flaw in Microsoft Office that allows attackers to disclose sensitive information through manipulation of HTML content. Exploitation requires user interaction, such as opening a crafted file or visiting a malicious webpage. With a CVSS score of 7.6, the vulnerability is rated as highly critical. The attack targets confidential data processed by Office applications.
Risk score
- cvss base
- 0.00
- kev bonus
- 0.00
- epss bonus
- 0.00
- poc bonus
- 15.00
- raw before weight
- 15.00
- industry weight
- 1.21
- freshness factor
- 0.50
- exploitability factor
- 1.00
- days old
- 16.00
- vendor mismatch penalty
- 0.00
Path: operational