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CVE-2026-114403

9.2 critical SSVC exploitation: poc Published
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 8

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-28 16:31
  2. StatusPublished → Awaiting AnalysisNVD modified 2026-10-28 17:17
  3. StatusAwaiting Analysis → PublishedNVD modified 2026-10-28 16:31
  4. StatusPublished → Awaiting AnalysisNVD modified 2026-10-22 17:39
  5. StatusReceived → PublishedNVD modified 2026-10-21 12:39
  6. StatusPublished → ReceivedNVD modified 2026-10-21 13:18
  7. CVSS9.2 (v4.0, CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N) → 9.2 (v4.0, CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)NVD modified 2026-10-21 13:18
  8. First seenCVSS 9.2 · phpofficeNVD modified 2026-10-21 12:39

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 6