CVE-2017-2533 — An issue was discovered in certain Apple products

An issue was discovered in certain Apple products. macOS before 10.12.5 is affected. The issue involves the "DiskArbitration" component. A race condition allows attackers to execute arbitrary code in a privileged context via a crafted app.

01What is this vulnerability?

An issue was discovered in certain Apple products. macOS before 10.12.5 is affected. The issue involves the "DiskArbitration" component. A race condition allows attackers to execute arbitrary code in a privileged context via a crafted app.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2017-05-22T05:29:01.880
• Last modified: 2026-05-13T00:24:29.033

09References

• www.securitytracker.com — http://www.securitytracker.com/id/1038484
• www.zerodayinitiative.com — http://www.zerodayinitiative.com/advisories/ZDI-17-357/
• phoenhex.re — https://phoenhex.re/2017-06-09/pwn2own-diskarbitrationd-privesc
• support.apple.com — https://support.apple.com/HT207797
• www.exploit-db.com — https://www.exploit-db.com/exploits/42146/
• www.securitytracker.com — http://www.securitytracker.com/id/1038484
• www.zerodayinitiative.com — http://www.zerodayinitiative.com/advisories/ZDI-17-357/
• phoenhex.re — https://phoenhex.re/2017-06-09/pwn2own-diskarbitrationd-privesc
• support.apple.com — https://support.apple.com/HT207797
• www.exploit-db.com — https://www.exploit-db.com/exploits/42146/