CVE-2026-6846
Medium
Elevated severity or exploit probability.
CVSS base
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.2%
6.8th percentile
CISA KEV
Not listed
Weakness / dates
CWE-122
Published 2026-04-22 · modified 2026-09-01
CVSS breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
| Attack Vector | L | Local |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | R | Required |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2026-04-22 — Published (NVD)
- 2026-09-01 — Last modified (NVD)
Description
A flaw was found in binutils. A heap-buffer-overflow vulnerability exists when processing a specially crafted XCOFF (Extended Common Object File Format) object file during linking. A local attacker could trick a user into processing this malicious file, which could lead to arbitrary code execution, allowing the attacker to run unauthorized commands, or cause a denial of service, making the system unavailable.
Affected
References
- https://access.redhat.com/errata/RHSA-2026:33527
- https://access.redhat.com/errata/RHSA-2026:39022
- https://access.redhat.com/security/cve/CVE-2026-6846
- https://bugzilla.redhat.com/show_bug.cgi?id=2460006
- https://access.redhat.com/errata/RHSA-2026:33527
- https://access.redhat.com/security/cve/CVE-2026-6846
- https://bugzilla.redhat.com/show_bug.cgi?id=2460006
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6846.json