CVE-2026-6846
Binutils: binutils: arbitrary code execution via malformed xcoff object file processing
7.8CVSSHIGH
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.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:RUser InteractionRequired
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
and 6 more affected products View all →
Attack Graph
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Exploitability
Workaround Available
MITRE ATT&CK
1 technique Privilege Escalation
References
Timeline
Published
Apr 22, 2026
Last Updated
May 20, 2026
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