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ExploitedIn CISA KEVFix available

CVE-2022-22587

Exploitation confirmed. First attested on 2022-01-28 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2022-03-18
  • Fixed in12.2 · 11.6.3
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 15.3 and iPadOS 15.3, macOS Big Sur 11.6.3, macOS Monterey 12.2. A malicious application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..

Timeline

dates in UTC
  1. 2022-01-28Added to the CISA KEV catalogCISA KEV
  2. 2022-01-28Listed as exploited by GCVEGCVE
  3. 2022-01-28Exploitation first reportedCISA KEV
  4. 2022-03-1818:15CVE publishedNVD
  5. 2025-01-2916:36SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-04 03:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-22587?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-22587?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Apple macos
BranchAffectedFixed in
12.x≥ 12.0, < 12.212.2
11.6< 11.6.311.6.3
Apple ipados
BranchAffectedFixed in
15.3< 15.315.3
Apple iphone os
BranchAffectedFixed in
15.3< 15.315.3

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA3 products

As apple, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Apple iOS and iPadOS
    Affected
    • < 15.3fixed in 15.3custom
  • Apple macOS
    Affected
    • < 12.2fixed in 12.2custom
  • Apple macOS
    Affected
    • < 11.6fixed in 11.6custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2022-03-18

Fix

  1. Update Apple macos to 12.2 · 11.6.3
  2. CISA’s required action: Apply updates per vendor instructions.due 2022-02-11

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2022-01-28
Patch Due Date
2022-02-11
Ransomware Use
Unknown
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2022-03-18
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-p75p-vc6x-p9wf

Frequently asked questions

What is CVE-2022-22587?

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 15.3 and iPadOS 15.3, macOS Big Sur 11.6.3, macOS Monterey 12.2. A malicious application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..

Is CVE-2022-22587 actively exploited?

Yes. CVE-2022-22587 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-02-11.

What is the CVSS score for CVE-2022-22587?

CVE-2022-22587 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record