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CVE-2026-49415 Local privilege escalation via execve(2) TOCTOU race

🗓️ 19 Aug 2026 04:38:24Reported by freebsdType 
cvelist
 cvelist
🔗 www.cve.org👁 56 Views

CVE-2026-49415 is a race condition in execve(2) that lets unprivileged users escalate privileges by exploiting SUID binary credential update timing.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
freebsd
FreeBSD
FreeBSD -- Local privilege escalation via execve(2) TOCTOU race
30 Jun 202600:00
–freebsd
bdu_fstec
BDU FSTEC
FreeBSD execve Full Control
10 Aug 202600:00
–bdu_fstec
circl
Circl
CVE-2026-49415
2 Jul 202608:24
–circl
cve
CVE
CVE-2026-49415
19 Aug 202604:38
–cve
euvd
EUVD
EUVD-2026-62236
19 Aug 202604:38
–euvd
freebsd_advisory
FreeBSD Advisory
FreeBSD-SA-26:39.execve
30 Jun 202600:00
–freebsd_advisory
nessus
Tenable Nessus
FreeBSD : FreeBSD -- Local privilege escalation via execve(2) TOCTOU race (4b0d0a49-74e1-11f1-958d-bc241121aa0a)
1 Jul 202600:00
–nessus
mend
Mend
CVE-2026-49415
19 Aug 202604:38
–mend
nvd
NVD
CVE-2026-49415
19 Aug 202605:17
–nvd
packetstormnews
Packet Storm News
FreeBSD Security Advisory - FreeBSD-SA-26:39.execve
30 Jun 202600:00
–packetstormnews
Rows per page
[
  {
    "defaultStatus": "unknown",
    "modules": [
      "execve"
    ],
    "product": "FreeBSD",
    "vendor": "FreeBSD",
    "versions": [
      {
        "status": "affected",
        "versionType": "release",
        "version": "15.1-RELEASE",
        "lessThan": "p1"
      },
      {
        "status": "affected",
        "versionType": "release",
        "version": "15.0-RELEASE",
        "lessThan": "p11"
      },
      {
        "status": "affected",
        "versionType": "release",
        "version": "14.4-RELEASE",
        "lessThan": "p7"
      },
      {
        "status": "affected",
        "versionType": "release",
        "version": "14.3-RELEASE",
        "lessThan": "p16"
      }
    ]
  }
]

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19 Aug 2026 04:38Current
CVSS 3.18.8
EPSS0.00359
SSVC
56