HIGHCVSS v3.1 8.1Vulnerability
CVE-2026-114403
PHPOffice PHPPresentation through 1.2.0 contains an insecure deserialization vulnerability that allows attackers to instantiate arbitrary PHP objects by supplying a crafted presentation file. Attackers can upload a ZIP containing PhpPresentation.xml that IOFactory::load passes to unserialize(), enabling gadget-chain code execution, file writes, or denial of service.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-10-22T22:14:18.200859+00:00
- Epss score
- 0.00477
- Cvss severity
- HIGH
- Cvss score
- 8.1
- Retrieved at
- 2026-10-22T22:17:33+00:00
- Last source
- FIRST EPSS
- Score
- 8.1
- Cvss version
- 3.1
- Cve id
- CVE-2026-114403
- Cvss vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- First seen by Signal
- 2026-10-21T22:34:38+00:00
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published at
- 2026-10-21T13:18:31.753
- Last modified
- 2026-10-22T17:39:56.760
- Epss percentile
- 0.40235
Related Entities (1)
HAS_WEAKNESS (1)
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