Knowledge · Vulnerabilities by version

Zephyr 4.2.2: 190 known CVEs

190 CVEs, 4 of them critical and 0 actively exploited.

As of 13 Nov 2026, 190 CVEs are known for Zephyr 4.2.2, 4 critical and 69 high. The vendor names 177 in its own advisory for exactly this version. For 2, the vendor's statement and another source disagree; they are counted and marked. For 11, the vendor names an end but no starting version on this release line; they are counted and marked too. 4.5.0, the newest listed version, still carries 10 of them.

Data queried 13 November 2026 · Page updated 13 November 2026 · 6 min read

At a glance
Version
Zephyr 4.2.2
Known CVEs
190
Critical / high
4 / 69
Actively exploited (CISA KEV)
0
Confirmed by the vendor
177

Checked on 13 Nov 2026

Which CVEs affect Zephyr 4.2.2?

No note: the vendor names the CVE in its own advisory for this version (177 of 190).

CVESeverityCVSSFixed fromNote
CVE-2026-10666critical9.84.3.1
CVE-2026-5067critical9.84.3.1
CVE-2026-10672critical9.14.6.0
CVE-2026-82391critical9.14.3.2
CVE-2026-10673high8.84.5.0
CVE-2026-12366high8.84.5.0
CVE-2026-12522high8.84.3.2
CVE-2026-13212high8.84.3.2
CVE-2026-15894high8.84.3.2
CVE-2026-16511high8.84.3.2
CVE-2026-19569high8.84.3.2
CVE-2026-19570high8.84.5.0
CVE-2026-5068high8.84.3.1
CVE-2026-76788high8.84.3.2
CVE-2026-79982high8.84.3.2
CVE-2026-85035high8.84.3.2
CVE-2026-9771high8.84.3.2
CVE-2026-12364high8.44.3.2
CVE-2026-19184high8.44.3.2
CVE-2026-8718high8.44.3.2
CVE-2026-77685high8.34.5.0
CVE-2026-87040high8.34.3.2
CVE-2025-10457high8.14.3.0vendor names no starting version for this release line
CVE-2026-10653high8.14.3.1
CVE-2026-12633high8.14.3.2
CVE-2026-19186high8.14.3.2
CVE-2026-9263high8.14.3.1
CVE-2026-10643high7.84.4.2
CVE-2026-10667high7.84.6.0
CVE-2026-10669high7.84.5.0
CVE-2026-10682high7.84.5.0
CVE-2026-12234high7.84.4.2
CVE-2026-16513high7.84.4.2
CVE-2026-1679high7.84.4.0vendor names no starting version for this release line
CVE-2026-17052high7.84.3.2
CVE-2026-18413high7.84.4.2
CVE-2026-18414high7.84.4.2
CVE-2026-19185high7.84.3.2
CVE-2026-19575high7.84.3.2
CVE-2026-19669high7.84.3.2
CVE-2026-19676high7.84.3.2
CVE-2026-82961high7.84.5.0
CVE-2026-87041high7.84.3.2
CVE-2026-90586high7.84.3.2
CVE-2026-90833high7.84.3.2
CVE-2026-91007high7.84.3.2
CVE-2025-10458high7.64.3.0vendor names no starting version for this release line
CVE-2026-10680high7.64.3.1
CVE-2026-10685high7.64.5.0
CVE-2026-10638high7.54.5.0
CVE-2026-10686high7.54.5.0
CVE-2026-10849high7.54.5.0
CVE-2026-11810high7.54.3.2
CVE-2026-15891high7.54.3.2
CVE-2026-19741high7.54.3.2
CVE-2026-19935high7.54.5.0
CVE-2026-8023high7.54.6.0
CVE-2026-87045high7.54.3.2
CVE-2026-90591high7.54.3.2
CVE-2026-10646high7.44.3.1
CVE-2026-10637high7.14.5.0
CVE-2026-10640high7.14.5.0
CVE-2026-10641high7.14.3.1
CVE-2026-10658high7.14.6.0
CVE-2026-10671high7.14.5.0
CVE-2026-18415high7.14.4.2
CVE-2026-19577high7.14.5.0
CVE-2026-19673high7.14.5.0
CVE-2026-81038high7.14.3.2
CVE-2026-10681high7.04.5.0
CVE-2026-19574high7.04.3.2
CVE-2026-78118high7.04.5.0
CVE-2026-87038high7.04.3.2
CVE-2026-126957medium6.9not statedvendor names no starting version for this release line
CVE-2026-0849medium6.84.4.0vendor names no starting version for this release line
CVE-2026-13215medium6.84.3.2
CVE-2026-14986medium6.84.4.2
CVE-2026-16147medium6.84.4.2
CVE-2026-19576medium6.84.5.0
CVE-2026-75084medium6.84.3.2
CVE-2026-7656medium6.84.6.0
CVE-2026-19571medium6.74.3.2
CVE-2026-85034medium6.74.3.2
CVE-2025-10456medium6.54.3.0
CVE-2025-12035medium6.54.3.0vendor names no starting version for this release line
CVE-2026-10642medium6.54.5.0
CVE-2026-10651medium6.5not statedvendor and another source disagree
CVE-2026-10675medium6.54.3.1
CVE-2026-10677medium6.54.3.1
CVE-2026-10774medium6.54.5.0
CVE-2026-12236medium6.54.3.2
CVE-2026-12631medium6.54.3.2
CVE-2026-12632medium6.54.3.2
CVE-2026-15893medium6.54.3.2
CVE-2026-19738medium6.54.3.2
CVE-2026-19739medium6.54.3.2
CVE-2026-19740medium6.54.3.2
CVE-2026-19940medium6.54.5.0
CVE-2026-2411medium6.54.5.0
CVE-2026-5072medium6.54.3.1vendor names no starting version for this release line
CVE-2026-79981medium6.54.5.0
CVE-2026-82962medium6.54.3.2
CVE-2026-87042medium6.54.3.2
CVE-2026-90590medium6.54.3.2
CVE-2026-10660medium6.44.3.1
CVE-2026-12520medium6.44.3.2
CVE-2026-14366medium6.44.3.2
CVE-2026-9728medium6.44.3.2
CVE-2026-12235medium6.34.3.2
CVE-2026-19939medium6.34.5.0
CVE-2026-5589medium6.34.3.1vendor names no starting version for this release line
CVE-2026-78119medium6.34.5.0
CVE-2026-13216medium6.14.3.2
CVE-2026-1681medium6.14.4.0vendor names no starting version for this release line
CVE-2026-18747medium6.14.3.2
CVE-2026-19595medium6.14.3.2
CVE-2026-17051medium6.04.3.2
CVE-2026-10655medium5.94.3.1
CVE-2026-12233medium5.94.3.2
CVE-2026-15924medium5.94.4.2
CVE-2026-18746medium5.94.3.2
CVE-2026-19938medium5.94.3.2
CVE-2026-75083medium5.94.3.2
CVE-2026-76787medium5.94.3.2
CVE-2026-12365medium5.84.5.0
CVE-2026-17050medium5.74.3.2
CVE-2026-19937medium5.74.3.2
CVE-2026-77684medium5.74.5.0
CVE-2026-79980medium5.64.5.0
CVE-2026-10645medium5.54.6.0
CVE-2026-10670medium5.54.5.0
CVE-2026-10674medium5.54.3.1
CVE-2026-10679medium5.54.3.1
CVE-2026-13478medium5.54.3.2
CVE-2026-90589medium5.54.3.2
CVE-2026-90834medium5.54.3.2
CVE-2026-10773medium5.44.5.0
CVE-2026-13481medium5.44.3.2
CVE-2026-14368medium5.44.3.2
CVE-2026-15460medium5.44.3.2
CVE-2026-10634medium5.34.3.1
CVE-2026-10647medium5.34.5.0
CVE-2026-10657medium5.34.3.1
CVE-2026-12634medium5.34.3.2
CVE-2026-12999medium5.34.3.2
CVE-2026-13213medium5.34.3.2
CVE-2026-15890medium5.34.4.2
CVE-2026-15892medium5.34.4.2
CVE-2026-1677medium5.34.4.0vendor names no starting version for this release line
CVE-2026-17054medium5.34.4.2
CVE-2026-18416medium5.34.4.2
CVE-2026-19947medium5.34.5.0
CVE-2026-5590medium5.34.3.1vendor names no starting version for this release line
CVE-2026-12052medium5.24.3.2
CVE-2026-10664medium5.04.5.0vendor and another source disagree
CVE-2026-12519medium5.04.3.2
CVE-2026-10639medium4.84.5.0
CVE-2026-19735medium4.84.3.2
CVE-2026-19936medium4.84.3.2
CVE-2026-16515medium4.74.3.2
CVE-2026-10656medium4.64.4.1
CVE-2026-10683medium4.64.5.0
CVE-2026-12629medium4.64.3.2
CVE-2026-15923medium4.64.3.2
CVE-2026-16148medium4.64.3.2
CVE-2026-7007medium4.64.5.0
CVE-2026-90585medium4.64.3.2
CVE-2026-17053medium4.44.3.2
CVE-2026-12630medium4.34.4.2
CVE-2026-13479medium4.34.4.2
CVE-2026-16514medium4.34.4.2
CVE-2026-81039medium4.34.3.2
CVE-2026-90832medium4.34.3.2
CVE-2026-12363medium4.24.3.2
CVE-2026-78117medium4.24.3.2
CVE-2026-10636low3.74.5.0
CVE-2026-11809low3.74.3.2
CVE-2026-11811low3.74.3.2
CVE-2026-19742low3.74.3.2
CVE-2026-90588low3.74.3.2
CVE-2026-11742low3.64.3.2
CVE-2026-11985low3.64.4.2
CVE-2026-79978low3.64.3.2
CVE-2026-19809low3.34.3.2
CVE-2026-10654low3.14.3.1
CVE-2026-13480low3.14.4.2
CVE-2026-14367low3.14.3.2
CVE-2026-16512low3.14.3.2
CVE-2026-10684low3.04.3.1
CVE-2026-11812low2.54.3.2

Which Zephyr version do I need to upgrade to?

Fixed in Zephyr 4.3.0: 4 CVEs of this version.

Fixed in Zephyr 4.3.1: 21 CVEs of this version.

Fixed in Zephyr 4.3.2: 95 CVEs of this version.

Fixed in Zephyr 4.4.0: 4 CVEs of this version.

Fixed in Zephyr 4.4.1: 1 CVE of this version.

Fixed in Zephyr 4.4.2: 18 CVEs of this version.

Fixed in Zephyr 4.5.0: 39 CVEs of this version.

Fixed in Zephyr 4.6.0: 6 CVEs of this version.

No fix version stated: 2.

What changed against Zephyr 4.2.1?

9 CVEs of 4.2.1 are no longer listed for 4.2.2: CVE-2025-12899, CVE-2025-9408, CVE-2025-9557, CVE-2025-9558, CVE-2026-13351, CVE-2026-1678, CVE-2026-4179, CVE-2026-5066, CVE-2026-5071.

No CVE was added in 4.2.2.

What does the number mean for a device?

Counted are the CVEs public sources name for Zephyr version 4.2.2 (NVD, OSV, Vendor advisories). "Confirmed by the vendor" means the CVE record or advisory comes from the vendor itself and names this version as affected. Third-party records are counted but not marked as confirmed.

Whether a CVE is exploitable in a given device depends on which functions of the library the build contains and how they are configured. The list shows what is known for the version.

Licence notes of the sources: OSV: CC BY 4.0.

Questions

How many CVEs does Zephyr 4.2.2 have?

As of 13 Nov 2026, 190 CVEs are known for Zephyr 4.2.2, 4 critical and 69 high. The vendor names 177 in its own advisory for exactly this version. For 2, the vendor's statement and another source disagree; they are counted and marked. For 11, the vendor names an end but no starting version on this release line; they are counted and marked too. 4.5.0, the newest listed version, still carries 10 of them.

From which version are the CVEs of Zephyr 4.2.2 fixed?

No newer listed version is free of all 190 CVEs. The "Fixed from" column names the fix version per CVE for this release line where a source states one.

Sources

  1. [1]NVD
  2. [2]OSV

Which Zephyr version is in your build?

Vendor SDKs ship their own versions. Upload the AXF, HEX or firmware image: we read the versions from the binary and match the CVEs. Report and SBOM within three working days, free. The reports are in German.