CVE-2026-114403: PHPOffice PHPPresentation through 1.2.0 Deserialization via Reader\Serialized::load
PHPOffice · PHPPresentation
Affected: PHPOffice PHPPresentation · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 53% of scored CVEs
DescriptionCVE.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.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- PHPOffice · PHPPresentationup to and including 1.2.0
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- PHPOffice
- Published
- October 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-114403 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.