CVE-2025-43356

The issue was addressed with improved handling of caches. This issue is fixed in Safari 26, iOS 18.7 and iPadOS 18.7, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. A website may be able to access sensor information without user consent.

Published: 2025-09-15 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-43356 is rated Moderate Risk (42.1/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.61%). Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2025-43356

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 2026-06-15 0.06% 0.61% +0.55%
2 2026-04-11 0.05% 0.06% +0.01%
3 2026-04-03 — 0.05% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-43356

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N 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:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2025-43356

OS Trackers for CVE-2025-43356

vendor priority summary link
debian end-of-life CVE-2025-43356 end-of-life priority: Debian including 2 source packages (webkit2gtk, wpewebkit), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 7, open 3. https://security-tracker.debian.org/tracker/CVE-2025-43356
redhat medium — https://access.redhat.com/security/cve/CVE-2025-43356
suse medium CVE-2025-43356 severity moderate: SUSE including 112 source package names (2.2.0-4.55:gpg2-2.4.4-slfo.1.1_2.1, 2.2.1-7.2:gpg2-2.4.4-slfo.1.1_2.1, …), 451 product×package rows across 70 product lines (Container suse/sl-micro/6.0/baremetal-os-container, Container suse/sl-micro/6.0/base-os-container, … (70 product lines)): Fixed 433, First Fixed 18. https://www.suse.com/security/cve/CVE-2025-43356/
ubuntu medium CVE-2025-43356 medium priority: Ubuntu including 4 source packages (qtwebkit-opensource-src, qtwebkit-source, webkit2gtk, webkitgtk), 30 status rows across 8 suites (bionic, focal, jammy, noble, plucky, questing, upstream, xenial): ignored 12, DNE 10, released 5, needs-triage 3. https://ubuntu.com/security/CVE-2025-43356

Affected software / configurations for CVE-2025-43356

Vendor Product Version Raw CPE
apple safari < 26.0 cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
apple ipados < 18.7 cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple iphone_os < 18.7 cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple macos < 26.0 cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
apple tvos < 26.0 cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
apple visionos < 26.0 cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
apple watchos < 26.0 cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

References for CVE-2025-43356

cvelogic Threat Intelligence