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CVE-2026-21586

Improper Authorization Enables Authenticated Access to Sensitive Data in Confluence Data Center

This High severity Improper Authorization vulnerability was introduced in versions 7.4.0, 7.13.0, 8.5.0, 8.9.0, 9.0.1, 9.1.0, 9.2.0, 9.3.1, 9.4.0, 9.5.1, 10.0.2, 10.1.0, and 10.2.0 of Confluence Data Center. This Improper Authorization vulnerability, with a CVSS Score of 7.1, allows an authenticated attacker to gain unintended access and can lead to the exposure of resources or functionality, possibly providing attackers with sensitive information or even execute arbitrary code. Atlassian recommends that Confluence Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: Confluence Data Center 9.2: Upgrade to a release greater than or equal to 9.2.24 Confluence Data Center 10.2: Upgrade to a release greater than or equal to 10.2.17 See the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center from the download center ([https://www.atlassian.com/software/confluence/download-archives]). This vulnerability was reported via our Penetration Testing program.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
CVE-2026-21588

Authenticated Denial of Service in Atlassian Confluence Data Center

This High severity DoS (Denial of Service) vulnerability was introduced in versions 8.9.0, 9.0.1, 9.1.0, 9.2.0, 9.3.1, 9.4.0, 9.5.1, 10.0.2, 10.1.0, and 10.2.0 of Confluence Data Center. This DoS (Denial of Service) vulnerability, with a CVSS Score of 7.1, allows an authenticated attacker to cause a resource to be unavailable for its intended users by temporarily or indefinitely disrupting services of a host connected to a network. Atlassian recommends that Confluence Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: Confluence Data Center 9.2: Upgrade to a release greater than or equal to 9.2.24 Confluence Data Center 10.2: Upgrade to a release greater than or equal to 10.2.17 See the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center from the download center ([https://www.atlassian.com/software/confluence/download-archives]). This vulnerability was reported via our Penetration Testing program.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
CVE-2026-58678

Bootloader Permission Bypass Enables Local Privilege Escalation

In Bootloader, there is a possible permission bypass due to a logic error in the code. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
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CVE-2026-56986

Out-of-Bounds Read and Type Confusion Allow Local Privilege Escalation on Android Devices

In multiple files, there is a possible out-of-bounds read due to type confusion. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2026-57035

Android Out‑of‑Bounds Write Causing Local Privilege Escalation

In multiple locations, there is a possible out-of-bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2026-58691

Android FsmReleaseKey Permission Bypass Allows Local Privilege Escalation

In FsmReleaseKey of fsm.c, there is a possible permission bypass due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2026-58695

Local Privilege Escalation via Missing Bounds Check in Android gmc_phy_lp3_exit_restore_registers

In gmc_phy_lp3_exit_restore_registers of phy_power.c, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2026-58739

In platform_msg_handler_init of default_msg_handlers.c, there is a possible confused deputy due to a confused deputy. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2026-84223

Kirki 6.0.0 - 6.3.0 - Author+ Stored XSS via Unsanitized SVG Upload

The Kirki WordPress plugin before 6.3.1 does not sanitize uploaded SVG files while making them uploadable site-wide, allowing users with author-level access and above to upload a file containing JavaScript which is then served from the site's own origin and runs in the session of anyone who opens it.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2026-14844

Master Slider <= 3.11.2 - Contributor+ Stored XSS via ms_slider Shortcode Attributes

The Master Slider WordPress plugin through 3.11.2 does not sanitise and escape some of its shortcode attributes before outputting them in an inline script context, which could allow users with the Contributor role and above to perform Stored Cross-Site Scripting attacks that execute when the affected post is viewed. No fixed version is available. Until one ships, restrict the Contributor role to trusted users, or deactivate the Master Slider WordPress plugin through 3.11.2. Site owners who need to keep it active can block the ms_slider shortcode for roles below Editor, for example with a shortcode-restriction Master Slider WordPress plugin through 3.11.2, which prevents the attack without removing the Master Slider WordPress plugin through 3.11.2.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
CVE-2026-56970

Android Permission Bypass Enables Local Privilege Escalation

In multiple locations, there is a possible permission bypass due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2026-56972

Out‑of‑Bounds Write in Android Enables Local Privilege Escalation

In multiple locations, there is a possible out-of-bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Vendors
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CVE-2026-56978

Out-of-Bounds Read in Android gc.c Enables Local Privilege Escalation

In get_global_config_item_addr of gc.c, there is a possible out-of-bounds read due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2026-56997

In Av1DecodeFrameTag of vp9hwd_headers.cc, there is a possible out-of-bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2026-57012

Remote Package Install in Android Setup Wizard Without Permission Check Leading to Privilege Escalation

In the Setup Wizard, there is a possible remote package install due to a missing permission check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed
Vendors
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CVE-2026-58683

Out-of-Bounds Write in Android IMS Enables Remote Code Execution

In IP Multimedia Subsystem, there is a possible out-of-bounds write due to improper input validation. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2026-58699

Out‑of‑bounds read in VP9 decoder leads to local privilege escalation

In Vp9DecEndOfStream of vp9hwd_output.cc, there is a possible out-of-bounds read due to an incorrect bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed
Vendors
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CVE-2026-58710

Remote Code Execution via Out-of-Bounds Write in Android Film Grain Decoder

In DecodeFilmGrainParams of film_grain_dec.cc, there is a possible out-of-bounds write due to a missing bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
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CVE-2026-58726

Android Permission Bypass in fsm.c Enables Local Privilege Escalation

In FsmReleaseKey of fsm.c, there is a possible permission bypass due to a missing permission check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Vendors
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CVE-2026-58728

ARM64 TLBI Race Condition Leading to Local Privilege Escalation in Android

In ARM64_TLBI of mmu.h, there is a possible memory corruption due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
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