X1a0He Adobe Downloader XPC Service com.x1a0he.macOS.Adobe-Downloader.helper shouldAcceptNewConnection privileges management

published 2024-12-19 22 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-51106

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 12%
public exploits: 0; none known

A vulnerability, which was classified as critical, was found in X1a0He Adobe Downloader up to 1.3.1 on macOS. Affected is the function shouldAcceptNewConnection of the file com.x1a0he.macOS.Adobe-Downloader.helper of the component XPC Service. The manipulation leads to improper privilege management. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. This product is not affiliated with the company Adobe.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 22 mo ago (2024-12-20)

Exploit prediction

0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

winslow1984.com https://winslow1984.com/books/cve-collection/page/adobe-downloader-131-local-privilege-escalation referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	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
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	2.0	6.8	AV:L/AC:L/Au:S/C:C/I:C/A:C
CNA	4.0	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: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

Affected products

X1a0He Adobe Downloader

Classification

Weakness

CWE-269 Improper Privilege Management
CWE-266 Incorrect Privilege Assignment

References

winslow1984.com /books/cve-collection/page/adobe-downloader-131-local-privilege-escalation
exploit
vuldb.com /?id.288966
vdb-entry, technical-description
vuldb.com /?ctiid.288966
signature, permissions-required
vuldb.com /?submit.464685
third-party-advisory

Sources

CVE List CVE-2024-12786
NVD CVE-2024-12786

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary