CVE-2026-49921CWE-122

CVE-2026-49921

Critical · published September 8, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
31.5
In the wild
Unconfirmed
What it is

In multiple locations, there is a possible memory safety issue due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00386 · 31.5th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-09-08T23:17Z
Affected products (5)
ProductVersionsFixed in
google/androidall versions—
google/androidall versions—
google/androidall versions—
google/androidall versions—
google/androidall versions—
References (1)
https://source.android.com/docs/security/bulletin/2026/2026-09-01 · [email protected]
EPSS history
Timeline
  • 10 SEP 03:17Z
    EPSS moved — → 0%
    epss
  • 08 SEP 18:05Z
    In multiple locations, there is a possible memory safety issue due to a heap buffer overflow
    cvelistv5