CVE-2026-90828: GNU Binutils · CWE-404
Affects binutilsSource GCVE Database
Public exploit available · CVSS 4.8 Medium.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 14 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
CISA SSVC: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
Timeline
CVE ID reserved
by VulDB
, 27 hours before disclosure
CVE published
on cve.org
, t = 0
CISA SSVC assessment
proof of concept public
, 16 hours after disclosure
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA SSVC, the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.10binutilspkg:deb/ubuntu/binutils?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSbinutilspkg:deb/ubuntu/binutils?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 24.04 LTSbinutilspkg:deb/ubuntu/binutils?arch=source&distro=nobleOther threats | Affected
| Fixed in– |
Ubuntu 22.04 LTSbinutilspkg:deb/ubuntu/binutils?arch=source&distro=jammyOther threats | Affected
| Fixed in– |
Ubuntu Pro 20.04 LTSbinutilspkg:deb/ubuntu/binutils?arch=source&distro=esm-infra/focalOther threats | Affected
| Fixed in– |
Ubuntu Pro 18.04 LTSbinutilspkg:deb/ubuntu/binutils?arch=source&distro=esm-infra/bionicOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Users should monitor vendor advisories for updates. Until a fix is released, restricting local access and limiting privileges may reduce risk. Since public exploit code exists, caution is advised.
Description
A security flaw in GNU Binutils 2.47 affects the elf_orphan_compatible function in the ELF Orphan Section Handler, causing a null pointer dereference. Exploitation requires local access and can result in limited confidentiality, integrity, and availability impacts. Public exploit code exists, but no vendor patch or official fix has been issued yet. The vulnerability has a CVSS score of 6.6, indicating a medium severity level.
References
- nvd.nist.gov/vuln/detail/CVE-2026-90828 (opens in a new tab)
- sourceware.org/bugzilla/attachment.cgi?id=16882 (opens in a new tab)
- sourceware.org/bugzilla/show_bug.cgi?id=34450 (opens in a new tab)
- vuldb.com/cve/CVE-2026-90828 (opens in a new tab)
- vuldb.com/submit/925227 (opens in a new tab)
- vuldb.com/vuln/403330 (opens in a new tab)
- vuldb.com/vuln/403330/cti (opens in a new tab)
- gnu.org (opens in a new tab)
- ubuntu.com/security/CVE-2026-90828 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-90828 (opens in a new tab)