CVE-2023-35674
HighExploitedPublic exploitIn onCreate of WindowState.java, there is a possible way to launch a background activity due to a logic error in the code.
Published Dec 5, 2023 · Updated Oct 14, 2026 · Also known as A-264029851, ASB-A-264029851
Key Facts
Patch immediately- CVE-2023-35674 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Android (Google), platform/frameworks/base (android).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 5, 2023. Public exploit code is available.
- EPSS estimates a 2.6% probability of exploitation in the next 30 days.
- Fixed versions are available, including platform/frameworks/base 11:2023-09-01, platform/frameworks/base 12:2023-09-01, platform/frameworks/base 12L:2023-09-01.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
2.6%
Higher than 85.1% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2023-35674 brief as a PDF
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Description
In onCreate of WindowState.java, there is a possible way to launch a background activity due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Sep 13, 2023 | Oct 4, 2023 | Not reported |
| Industry KEV feed | Sep 5, 2023 | Oct 4, 2023 | Not reported |
| CIRCL KEV | Sep 13, 2023 | Oct 4, 2023 | Not reported |
| ENISA EUVD | Sep 13, 2023 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected Products
6 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| AndroidGoogle | 11.0, 12.0, 12.1, 13.0, >= 13 | n/a |
| platform/frameworks/baseandroid | >= 13-next:0 | 13-next:2023-09-01 |
Patched Releases
platform/frameworks/base
11:2023-09-01, 12:2023-09-01, 12L:2023-09-01, 13-next:2023-09-01, 13:2023-09-01
Timeline
Added to Industry KEV feed
Sep 5, 2023
Added to CISA KEV
Sep 13, 2023
Added to CIRCL KEV
Sep 13, 2023
Added to ENISA EUVD
Sep 13, 2023
Publicly disclosed
Dec 5, 2023
Last updated
Oct 14, 2026
Weakness Type
- CWE-269 Improper Privilege Management
References
- advisoryhttps://source.android.com/docs/security/bulletin/2023-12-01
- advisoryhttps://www.bleepingcomputer.com/news/security/android-october-security-update-fixes-zero-days-exploited-in-attacks/
- advisoryhttps://www.bleepingcomputer.com/news/security/december-android-updates-fix-critical-zero-click-rce-flaw/
- advisoryhttps://www.bleepingcomputer.com/news/security/september-android-updates-fix-zero-day-exploited-in-attacks/
- advisoryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-35674
FAQ
Common Questions.
In onCreate of WindowState.java, there is a possible way to launch a background activity due to a logic error in the code.
Affected: Android (Google) versions 11.0, 12.0, 12.1, 13.0, >= 13; platform/frameworks/base (android) versions >= 13-next:0. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 5, 2023.
Yes. It was added on Sep 13, 2023 with a federal remediation due date of Oct 4, 2023.
Public exploit code is available.
Fixed versions are available, including platform/frameworks/base 11:2023-09-01, platform/frameworks/base 12:2023-09-01, platform/frameworks/base 12L:2023-09-01.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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