CVE-2016-4740
Apple iOS before 10, when Handoff for Messages is used, does not ensure that a Messages signin...
CVE-2016-4740 is a low vulnerability (CVSS 2.9) in Apple Iphone Os, published September 18, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 24th percentile. No source names a fixed version.
Apple iOS before 10, when Handoff for Messages is used, does not ensure that a Messages signin has occurred before displaying messages, which might allow attackers to obtain sensitive information via unspecified vectors.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Apple iOS before 10, when Handoff for Messages is used, does not ensure that a Messages signin has occurred before displaying messages, which might allow attackers to obtain sensitive information via unspecified vectors.
- Record
CVE-2016-4740- CVSS 3.0
- 2.9 Low
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 1.9 Low
AV:L/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
Apple iOS before 10, when Handoff for Messages is used, does not ensure that a Messages signin has occurred before displaying messages, which might allow attackers to obtain sensitive information via unspecified vectors.
- Record
CVE-2016-4740- Updated
- 2026-11-02
EUVDEUVD-2016-5725 No score
Apple iOS before 10, when Handoff for Messages is used, does not ensure that a Messages signin has occurred before displaying messages, which might allow attackers to obtain sensitive information via unspecified vectors.
- Record
EUVD-2016-5725- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8f4r-xmjq-6mwh
Apple iOS before 10, when Handoff for Messages is used, does not ensure that a Messages signin...
Apple iOS before 10, when Handoff for Messages is used, does not ensure that a Messages signin has occurred before displaying messages, which might allow attackers to obtain sensitive information via unspecified vectors.
- Record
GHSA-8f4r-xmjq-6mwh- CVSS 3.0
- 2.9 Low
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD |