CVE-2026-43670

highpriority · track · 0EPSS 0.002 · 13 %ileDEUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.22% (13th) EPSS

CVSS 8.8 · high

Is it mine?

15 products

Check your exposure

Who says so?

2 sources

cert_bund · nvd

EPSS · scored 2026-10-27

A Content Security Policy bypass was addressed with improved enforcement in AudioWorklet contexts. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5. Processing maliciously crafted web content may bypass Content Security Policy.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondaryexploitability 2.8 · impact 5.9

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-693US

affected products (15)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
RESF Rocky Linuxall versionscert_bundDEcpe:/o:resf:rocky_linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Open Source WebKitGTK< 2.54.0cert_bundDE
apple ipados< 18.7.9nvdUScpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple ipados26.0 → 26.5nvdUScpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple iphone os< 18.7.9nvdUScpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple iphone os26.0 → 26.5nvdUScpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple macos26.0 → 26.5nvdUScpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
apple safari< 26.5nvdUScpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-1459Apple iOS und iPadOS: Mehrere SchwachstellenDeutsch2026-05-11csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Apple iOS und Apple iPadOS ausnutzen, um seine Privilegien zu erhöhen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen, um beliebigen Programmcode auszuführen, und um Sicherheitsvorkehrungen zu umgehen.
WID-SEC-W-2026-3625WebKitGTK: Mehrere SchwachstellenDeutsch2026-09-28csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in WebKitGTK ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, Daten zu manipulieren, Spoofing-Angriffe durchzuführen oder Denial-of-Service-Zustände zu verursachen.

sources

Which sources assert this record, and when.

cert_bund nvd NVD CVE.org MITRE

published 2026-08-25modified 2026-08-27

references (4) nvd

External citations — patches, advisories, analysis.

https://support.apple.com/en-us/127110Vendor AdvisoryRelease Notes
https://support.apple.com/en-us/127111Vendor AdvisoryRelease Notes
https://support.apple.com/en-us/127115Vendor AdvisoryRelease Notes
https://support.apple.com/en-us/127121Vendor AdvisoryRelease Notes

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan