CVE-2026-13127

HIGH 7.8 ALL-YEARS

Published 2026-07-08 · Last modified 2026-07-08 · Foxit · NVD: Analyzed

The application opens the PDF file. JavaScript then rewrites the document to modify the page structure, resulting in the invalidation of the page objects. However, the thumbnails still use the invalid page objects, ultimately causing the application to crash.

ELEVATED IMPACT

Severe if exploited (CVSS 7.8), but no confirmed exploitation. Patch on a normal cadence.

Exploitation likelihood

0.2%chance of exploitation in 30 days · 6th percentile

○ In CISA KEV○ Catalogued PoC◆ SSVC: exploitation none, automatable no

Impact if exploited

7.8CVSS 3.1 · HIGH · CNA

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

What an attacker needs

⚠Access: Requires local access to the host
✓Privileges: No account or privileges required
⚠User interaction: A user must take an action (click / open a file)
✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

No public PoC is currently catalogued.

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Tracked sources are checked weekly for the full archive, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Affected

Vendors Foxit Software Inc. Foxit Microsoft

Products Foxit Pdf Editor Foxit Pdf Reader Pdf Editor Pdf Reader Windows

Weakness (CWE)

CWE-416: Use after free

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References and research data (JSON)

Known Affected Software Configurations

Vendor	Product	Version range
Foxit	Pdf Editor	≤ 13.2.4.24048
Foxit	Pdf Editor	≥ 14.0.0.33046 and ≤ 14.0.4.33508
Foxit	Pdf Editor	≥ 2023.1.0.15510 and ≤ 2023.3.0.23028
Foxit	Pdf Editor	≥ 2024.1.0.23997 and ≤ 2024.4.1.27687
Foxit	Pdf Editor	≥ 2025.1.0.27937 and ≤ 2025.3.0.35737
Foxit	Pdf Editor	≥ 2026.1.0.36452 and ≤ 2026.1.1.36485
Foxit	Pdf Reader	≤ 2026.1.1.36485

All CVSS metrics

HIGH 7.8 v3.1 · CNA Primary
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
HIGH 7.8 v3.1 · NVD Secondary
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Advisories

https://www.foxit.com/support/security-bulletins.html Vendor AdvisoryCVE record · Foxit · Updated 2026-07-08T07:36:36.349Z
NVD · CVE-2026-13127 · Updated 2026-07-09T13:14:33.863
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-42186 ADVISORYEUVD · EUVD-2026-42186

Sources: NVD · CVE.org · All sources and attribution · EPSS