# CVE-2026-15506 — SecureAge CatchPulse

> As of 2026-07-13, CVE-2026-15506 is a HIGH-severity vulnerability in SecureAge CatchPulse, CVSS v3.1 7.8, EPSS 0.1% (8.1th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-15506 as of 2026-07-13; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-07-13

## What is CVE-2026-15506?

A security vulnerability has been detected in SecureAge CatchPulse up to 10.9.3. The affected element is an unknown function in the library saappctl.sys of the component Driver. Such manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure.

The record classifies CVE-2026-15506 under weakness classes [CWE-122](https://intel.threadlinqs.com/cwe/CWE-122), [CWE-119](https://intel.threadlinqs.com/cwe/CWE-119). Its CVSS v3 base vector states that the flaw requires local access to the host, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 85 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 7.8 — HIGH (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R`)
- **CVSS v4.0 base score:** 8.5 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P`)
- **EPSS (FIRST):** 0.1% probability of exploitation in the next 30 days, higher than 8.1% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 4.2/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-07-12, last modified 2026-07-13

## Is CVE-2026-15506 being exploited?

It currently carries a trending score of 32 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **SecureAge**: CatchPulse

## How to fix CVE-2026-15506

No vendor patch reference has been recorded for CVE-2026-15506 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-15506

No threat campaign in the Threadlinqs corpus currently references CVE-2026-15506, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, GitHub Security Advisories, FIRST EPSS. Last verified by Threadlinqs on 2026-07-14.

**Exploit and proof of concept**

- [youtu.be — exploit](https://youtu.be/xZqRVWlrah8)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/377835/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-15506)
- [vuldb.com — third party advisory (845584)](https://vuldb.com/submit/845584)

**Vulnerability database entry**

- [vuldb.com — vdb entry](https://vuldb.com/vuln/377835)

**Other references**

- [vandalsuidaho-my.sharepoint.com — related](https://vandalsuidaho-my.sharepoint.com/:w:/g/personal/higg2059_vandals_uidaho_edu/IQAcnBjRQKVxQbLuSb5CI-8nAdTRuWZMO0jEuQ5PUQT7__s?e=4sd123)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-15506
Full detection coverage and IOCs for threats exploiting CVE-2026-15506 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp