CVE-2022-48503

Exp

The issue was addressed with improved bounds checks. This issue is fixed in tvOS 15.6, watchOS 8.7, iOS 15.6 and iPadOS 15.6, macOS Monterey 12.5, Safari 15.6. Processing web content may lead to arbitrary code execution.

Published: 2023-08-14 Last update: 2025-10-23 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-48503 is rated Active Exploitation (78.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.28%). CISA KEV confirms active exploitation (added 2025-10-20) affecting Apple / Multiple Products. a weakness (CWE-129) Unauthenticated remote administrative access may be possible. The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2022-48503

Name: Apple Multiple Products Unspecified Vulnerability · CISA KEV detail

Exploit added: 2025-10-20

Action due: 2025-11-10

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Exploit prediction scoring system (EPSS) score for CVE-2022-48503

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-29 0.24% 0.28% +0.05%
2 2026-05-27 0.13% 0.24% +0.10%
3 2026-05-23 — 0.13% —

Full EPSS history (27 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-48503

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 [email protected]
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2022-48503

OS Trackers for CVE-2022-48503

vendor priority summary link
debian not yet assigned CVE-2022-48503 not yet assigned priority: Debian including 2 source packages (webkit2gtk, wpewebkit), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. https://security-tracker.debian.org/tracker/CVE-2022-48503
redhat high — https://access.redhat.com/security/cve/CVE-2022-48503
suse high CVE-2022-48503 severity important: SUSE including 137 source package names (WebKitGTK-4.0-lang-2.40.5-150400.4.45.3, WebKitGTK-4.0-lang-2.42.5-150600.10.35, …), 350 product×package rows across 42 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 7.1, … (42 product lines)): Fixed 350. https://www.suse.com/security/cve/CVE-2022-48503/
ubuntu medium CVE-2022-48503 medium priority: Ubuntu including 5 source packages (qtwebkit-opensource-src, qtwebkit-source, webkit2gtk, webkitgtk, wpewebkit), 50 status rows across 10 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, trusty, upstream, xenial): ignored 21, DNE 19, not-affected 4, needs-triage 3, released 3. https://ubuntu.com/security/CVE-2022-48503

Affected software / configurations for CVE-2022-48503

Vendor Product Version Raw CPE
apple safari < 15.6 cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
apple ipados < 15.6 cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple iphone_os < 15.6 cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple macos >= 12.0.0, < 12.5 cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
apple tvos < 15.6 cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
apple watchos < 8.7 cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

References for CVE-2022-48503

cvelogic Threat Intelligence