CVE-2022-26766 json
A certificate parsing issue was addressed with improved checks.
published 2022-05-26 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-31316
- cvss
- 5.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.8%
- EPSS 2.8% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
A certificate parsing issue was addressed with improved checks. This issue is fixed in tvOS 15.5, iOS 15.5 and iPadOS 15.5, Security Update 2022-004 Catalina, watchOS 8.6, macOS Big Sur 11.6.6, macOS Monterey 12.4. A malicious app may be able to bypass signature validation.
Patch / fix
- Apple watchOS 8.6, 11.6, 12.4, 15.5, 2022
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 17 mo ago
Exploit prediction
2.81% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
| CNA | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- Apple watchOS
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
-
support.apple.com
/en-us/HT213255
vendor-advisory
-
support.apple.com
/en-us/HT213256
vendor-advisory
-
support.apple.com
/en-us/HT213258
vendor-advisory
-
support.apple.com
/en-us/HT213253
vendor-advisory
-
support.apple.com
/en-us/HT213254
vendor-advisory
-
support.apple.com
/en-us/HT213257
vendor-advisory
Sources
- CVE List CVE-2022-26766
- NVD CVE-2022-26766
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.