CVE-2026-84358
Improper privilege management in Downloads
CVE-2026-84358: Improper privilege management in Downloads. Not in the CISA KEV catalog. High advisory severity (CVSS 2.8, Red Hat).
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Get an email when Palo Alto publishes the next one.
VulniPulse checks Palo Alto's security advisories around the clock and emails you new ones with the severity, the fixed version and the vendor's link. First month free, then US$15/month; we email you before the first charge.
CVE-2026-84358 key facts
- CISA KEV
- Not listed (catalog checked )
- Highest advisory severity
- High
- CVSS base score
- 2.8 (Red Hat)
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N(Red Hat)
- Weakness
- CWE-451
- VulniPulse record
- Published · Updated
Scores, vectors, weaknesses and fixed releases are quoted from vendor advisories that cover only CVE-2026-84358; bulletin-wide values are not repeated here.
Is CVE-2026-84358 exploited?
No exploitation is reported in the sources VulniPulse tracks: CVE-2026-84358 is not in the CISA KEV catalog (checked ) and no tracked advisory for it reports exploitation. That is not proof the vulnerability cannot be exploited.
How do I fix CVE-2026-84358?
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. (Red Hat)
Vendor advisory comparison
Palo Alto
1 advisory- Advisory severityHigh
High [CVE-2026-76020 +18] PAN-SA-2026-0012 Chromium: Monthly Vulnerability Update (September 2026)
PAN-SA-2026-0012Source published
This bulletin covers 19 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.
Palo Alto Networks incorporated the following Chromium security fixes into our products: CVESummaryCVE-2026-76020 Race condition in V8CVE-2026-76022 Buffer overflow in NetworkCVE-2026-76038 Type confusion in V8CVE-2026-76046 Buffer overflow in ANGLECVE-2026-76047 Type confusion in V8CVE-2026-79016 Observable discrepancy in SVGCVE-2026-79032 Improper input validation in NetworkCVE-2026-79118 Uninitialized resource in ANGLECVE-2026-79195 Use after free in ScriptCVE-2026-79282 Use after free in ANGLECVE-2026-79286 Missing authorization in CustomTabsCVE-2026-79290 Use after free in AuraCVE-2026-79293 Information leak in AnimationCVE-2026-84348 Information leak in MediaCaptureCVE-2026-84350 Use after free in TabStripCVE-2026-84351 Buffer overflow in GPUCVE-2026-84357 Improper input validation…
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- Prisma Browser < 151.26.5.170
- Source-reported fixed versions
- Prisma Browser >= 152.8.4.76
- Mitigation guidance
- Upgrade to a fixed release: Prisma Browser >= 152.8.4.76.
- Workarounds
- No known workarounds exist for this issue.
Red Hat
1 advisory- Advisory severityLow2.8
Low [CVE-2026-84358] Improper privilege management in Downloads
CVE-2026-84358Source published Source updated
Improper privilege management in Downloads in Google Chrome prior to 152.0.7977.75 allowed a remote attacker who had compromised the renderer process to spoof address bar via a crafted HTML page. (Chromium security severity: Medium) Upstream bug(s): Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory. Red Hat severity: Moderate — CVSS 2.8 (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N). Weakness: CWE-451.
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- < 152.0.7977.75
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
More Palo Alto advisories
- CVE-2026-111497Oct 26, 2026Portfolio Status: Impact of Brotli Vulnerability on Palo Alto Networks Products
- CVE-2026-109618Oct 21, 2026Impact of Critical Vulnerabilities in PHP (, CVE-2026-109619) on Palo Alto Networks
- CVE-2026-0317Oct 14, 2026PAN-OS: Denial of Service Vulnerability
- CVE-2026-0322Oct 14, 2026PAN-OS: Authenticated Remote Code Execution (RCE) in the Management Interface
- CVE-2026-0319Oct 14, 2026PAN-OS: Improper Input Handling Vulnerability
- CVE-2026-0311Oct 14, 2026Checkov by Prisma Cloud: Server-Side Request Forgery Vulnerability
Follow CVE-2026-84358 in the free weekly digest
Every Monday: whether it was added to CISA KEV, reported exploited, got a fix or changed severity, plus the week's critical and high advisories.
Browse the latest tracked CVEs or the CVEs listed in CISA KEV.
Android app · Google Play
Get alerts for new CVEs on your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.