Red Hat Security Advisory: NetworkManager security update
NetworkManager is a system network service that manages network devices and connections, attempting to keep active network connectivity when available. Its capabilities include managing Ethernet, wireless, mobile broadband (WWAN), and PPPoE devices, as well as providing VPN integration with a variety of different VPN services. Security Fix(es): * NetworkManager: NetworkManager: Local privilege escalation via malformed MUD URLs in dhclient backend (CVE-2026-10805) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
CVE-2026-10805 is a local privilege escalation vulnerability in NetworkManager, specifically in the dhclient backend's handling of malformed Manufacturer Usage Description (MUD) URLs. This flaw allows a local attacker to escalate privileges on affected Red Hat Enterprise Linux 9 systems. Red Hat has issued a security advisory (RHSA-2026:58572) detailing the vulnerability and providing updated packages that fix the issue.
Potential Impact
Successful exploitation of this vulnerability could allow a local attacker to gain elevated privileges on the affected system. The issue is rated as moderate severity by Red Hat. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated NetworkManager packages for Red Hat Enterprise Linux 9 and related variants that address this vulnerability. Administrators should apply these updates promptly following the guidance in the Red Hat advisory (https://access.redhat.com/articles/11258). No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: NetworkManager security update
Description
NetworkManager is a system network service that manages network devices and connections, attempting to keep active network connectivity when available. Its capabilities include managing Ethernet, wireless, mobile broadband (WWAN), and PPPoE devices, as well as providing VPN integration with a variety of different VPN services. Security Fix(es): * NetworkManager: NetworkManager: Local privilege escalation via malformed MUD URLs in dhclient backend (CVE-2026-10805) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-10805 is a local privilege escalation vulnerability in NetworkManager, specifically in the dhclient backend's handling of malformed Manufacturer Usage Description (MUD) URLs. This flaw allows a local attacker to escalate privileges on affected Red Hat Enterprise Linux 9 systems. Red Hat has issued a security advisory (RHSA-2026:58572) detailing the vulnerability and providing updated packages that fix the issue.
Potential Impact
Successful exploitation of this vulnerability could allow a local attacker to gain elevated privileges on the affected system. The issue is rated as moderate severity by Red Hat. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated NetworkManager packages for Red Hat Enterprise Linux 9 and related variants that address this vulnerability. Administrators should apply these updates promptly following the guidance in the Red Hat advisory (https://access.redhat.com/articles/11258). No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:58572
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a8c4c4cacd9273b499be0ec
Added to database: 08/24/2026, 13:51:08 UTC
Last enriched: 08/24/2026, 13:59:10 UTC
Last updated: 08/25/2026, 02:51:59 UTC
Views: 5
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.