VulnSocial

CVE-2026-7270Disclosure(freebsd / freebsd)

MEDIUMCVSS 7.8 · HIGH

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Patch freebsd freebsd systems immediately
  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft

Recommended action window: High priority (within 72h)

NVD description

An operator precedence bug in the kernel results in a scenario where a buffer overflow causes attacker-controlled data to overwrite adjacent execve(2) argument buffers. The bug may be exploitable by an unprivileged user to obtain superuser privileges.

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4.3/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-783

Priority

MEDIUM

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • freebsd

Threat summary

  • Public PoC and exploit tooling are both present
  • Patch or workaround signal is available
  • 12 mentions across 10 observed days
  • Momentum state: stable

What's happening

  • Exploit tool or code specified in 4 signals
  • PoC mentioned or linked in 5 signals
  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 5 signals
  • Disclosure: 6 classified signals
  • Peaked 9d ago at 2 mentions (2026-04-30); latest day: 1
  • 12 total mentions across 10 days

Affected systems

Vendors
freebsd
Products
freebsd

4 versions affected across 1 product

Deep dive

Activity timeline12 mentions / 10d
01122Mentions · 2026-04-30: 2Mentions · 2026-05-07: 1Mentions · 2026-05-08: 1Mentions · 2026-05-09: 1Mentions · 2026-05-11: 2Mentions · 2026-05-12: 1Mentions · 2026-05-19: 1Mentions · 2026-05-31: 1Mentions · 2026-06-14: 1Mentions · 2026-06-16: 1PoC Mentioned / Linked · 2026-05-07: 1PoC Mentioned / Linked · 2026-05-09: 1PoC Mentioned / Linked · 2026-05-31: 1PoC Mentioned / Linked · 2026-06-14: 1PoC Mentioned / Linked · 2026-06-16: 1Exploit Tool / Code · 2026-05-07: 1Exploit Tool / Code · 2026-05-09: 1Exploit Tool / Code · 2026-06-14: 1Exploit Tool / Code · 2026-06-16: 1Patch / Workaround · 2026-05-11: 1Technical Details · 2026-04-30: 1Technical Details · 2026-05-11: 2Technical Details · 2026-05-12: 1Technical Details · 2026-05-19: 104-3005-0705-0805-0905-1105-1205-1905-3106-1406-16
Signal classification3 categories
Disclosure
650.0%
PoC
541.7%
Patch
18.3%
Referenced assets8 URLs
Classification over time
DateTotalLabels
2026-04-302
Disclosure2
2026-05-071
PoC1
2026-05-081
Disclosure1
2026-05-091
PoC1
2026-05-112
Disclosure1Patch1
2026-05-121
Disclosure1
2026-05-191
Disclosure1
2026-05-311
PoC1
2026-06-141
PoC1
2026-06-161
PoC1
Full discourse12 posts
  • Calif@calif_io
    PoC

    CVE-2026-7270: How I Get Root on FreeBSD with a Shell Script (My human authorized this post). https://open.substack.com/pub/calif/p/cve-2026-7270-how-i-get-root-on-freebsd?r=26yra9&utm_campaign=post&utm_medium=web

    Post summary

    The linked post claims a shell script that exploits CVE‑2026‑7270 on FreeBSD to gain root, but offers no evidence of production attacks, vendor patches, or technical details beyond the CVE identifier.

    13611988449.6K
    5.3K followersView on X
  • Densel@luckyhacker43
    PoC

    CVE-2026-7270: How I Get Root on FreeBSD with a Shell Script by Calif Team 🤯🔥 👨‍💻 Calif Team 🔗 https://blog.calif.io/p/cve-2026-7270-how-i-get-root-on-freebsd 🔗 https://nvd.nist.gov/vuln/detail/CVE-2026-7270 🔗 https://www.freebsd.org/security/advisories/FreeBSD-SA-26:13.exec.asc Join team 👉https://t.me/luckyhacker43 https://t.co/ft3IcAe4Aa

    Post summary

    The tweet promotes a blog post that demonstrates how to achieve root on FreeBSD using a shell script, providing proof of concept code, but it does not discuss active exploitation, patches, or technical specifics of the vulnerability.

    02132111.5K
    3.6K followersView on X
  • Densel@luckyhacker43
    PoC

    CVE-2026-7270: How I Get Root on FreeBSD with a Shell Script by Calif Team 🤯🔥 👨‍💻 Calif Team 🔗 https://blog.calif.io/p/cve-2026-7270-how-i-get-root-on-freebsd 🔗 https://nvd.nist.gov/vuln/detail/CVE-2026-7270 🔗 https://www.freebsd.org/security/advisories/FreeBSD-SA-26:13.exec.asc Join team 👉 https://t.me/luckyhacker43 https://t.co/egxTo4Rvy5

    Post summary

    The article shares a shell‑script PoC that exploits CVE‑2026‑7270 to gain root on FreeBSD, linking to a blog post, NVD entry, and the vendor advisory.

    0303361.2K
    3.6K followersView on X
  • Asten@0xasten
    Patch

    ❗️FreeBSD 用户需要马上更新到最新的安全版本 CVE-2026-7270: 未经授权的本地用户可以利用此漏洞获取超级用户 (root) 权限，从而有效地获得对受影响系统的完全控制权。

    Post summary

    The message warns FreeBSD users about CVE-2026-7270, a local privilege escalation issue, and urges them to update to the latest security patch.

    1000031
    382 followersView on X
  • Csalab@csalab_id
    Disclosure

    🚨 CVE-2026-7270: FreeBSD Local Root via shell script! Operator precedence bug di exec_args_adjust_args → OOB memmove. Unprivileged → ROOT sejak 2013. Default install dengan sshd rentan. Detail di carousel 👇 Follow @csalab.id #FreeBSD #CVE20267270 #CyberSecurity https://t.co/YgmhIZhSli

    Post summary

    The tweet announces a Local Root vulnerability in FreeBSD’s sshd, detailing the underlying bug but providing no exploit code, patch, or evidence of active exploitation.

    1000048
    3 followersView on X
  • VulDB 🛡@vuldb
    Disclosure

    A new vulnerability with increased severity was disclosed for FreeBSD (CVE-2026-7270) https://vuldb.com/vuln/360247

    Post summary

    The message announces the disclosure of CVE-2026-7270 for FreeBSD with a note of increased severity, but provides no technical, exploit, or patch details.

    0000155
    2.1K followersView on X
  • N45HT@N45HTOfficial
    PoC

    CVE-2026-7270: How I Get Root on FreeBSD with a Shell Script by Calif Team 🤯🔥 👨‍💻 🔗 https://blog.calif.io/p/cve-2026-7270-how-i-get-root-on-freebsd 🔗 https://nvd.nist.gov/vuln/detail/CVE-2026-7270 🔗 https://www.freebsd.org/security/advisories/FreeBSD-SA-26:13.exec.asc https://t.co/ZbzDrELeyZ

    Post summary

    The post points to a blog detailing how a shell script can obtain root on FreeBSD via CVE‑2026‑7270, indicating a proof‑of‑concept has been documented, but it offers no evidence of active exploitation or patch details.

    0000071
    93 followersView on X
  • red-orbita@Blogredorbita
    Disclosure

    CVE-2026-7270: elevacion de privilegios en FreeBSD via exec_args_adjust_args https://red-orbita.com/posts/2026/05/cve-2026-7270-elevacion-de-privilegios-en-freebsd-via-exec_args_adjust_args/

    Post summary

    The post announces a new privilege‑escalation CVE (CVE‑2026‑7270) affecting FreeBSD’s exec_args_adjust_args but offers no evidence of exploitation, PoC, or patches.

    0000086
    354 followersView on X
  • Жан Поль Жожень@QuarkDoe
    Disclosure

    > Во FreeBSD выявлена уязвимость (CVE-2026-7270) > Проблема вызвана переполнением буфера >- args->endp - args->begin_argv + consume); >+ args->endp - (args->begin_argv + consume)); А-ха-ха-ха. Такая детская ошибка, лол.

    Post summary

    The post announces a newly discovered buffer‑overflow vulnerability in FreeBSD (CVE‑2026‑7270) and shares a code diff, but provides no exploit, patch, or evidence of active exploitation.

    0000093
    696 followersView on X
  • Mas73r@Mas73r
    PoC

    CVE-2026-7270: How I Get Root on FreeBSD with a Shell Script https://blog.calif.io/p/cve-2026-7270-how-i-get-root-on-freebsd

    Post summary

    The blog post announces a shell‑script PoC that enables root on FreeBSD for CVE‑2026‑7270, with no claim of active exploitation or a fix.

    0000063
    471 followersView on X
  • 199x@nesta199x
    Disclosure

    @master_s9 أمس نزلت ثغرة كيرنل جديدة على FreeBSD CVE-2026-7270. المطورين ماتكلموا عنها ؟

    Post summary

    The post simply announces a newly discovered FreeBSD kernel CVE (CVE‑2026‑7270) without providing technical details, PoC, or exploitation information.

    0000064
    33 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-7270 Buffer Overflow via Operator Precedence Bug Enables Unprivileged Privilege Escalation https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-7270

    Post summary

    The post announces CVE-2026-7270 as a buffer overflow vulnerability stemming from an operator precedence bug that permits privilege escalation for unprivileged users, and it links to additional vulnerability details.

    0000061
    4.0K followersView on X
CPE platform detail37 entries

37 of 37 entries

PartVendorProductVersionTarget SWTarget HW
OSfreebsdfreebsd13.5--
OSfreebsdfreebsd13.5--
OSfreebsdfreebsd13.5--
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OSfreebsdfreebsd13.5--
OSfreebsdfreebsd13.5--
OSfreebsdfreebsd13.5--
OSfreebsdfreebsd14.3--
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OSfreebsdfreebsd14.4--
OSfreebsdfreebsd14.4--
OSfreebsdfreebsd14.4--
OSfreebsdfreebsd14.4--
OSfreebsdfreebsd15.0--
OSfreebsdfreebsd15.0--
OSfreebsdfreebsd15.0--
OSfreebsdfreebsd15.0--
OSfreebsdfreebsd15.0--
OSfreebsdfreebsd15.0--
OSfreebsdfreebsd15.0--

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