CVE-2015-8821

highpriority · track · 38EPSS 0.077 · 95 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

7.66% (95th) EPSS

CVSS 9.3 · high

Is it mine?

13 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-28

Use-after-free vulnerability in Adobe Flash Player before 18.0.0.268 and 19.x and 20.x before 20.0.0.228 on Windows and OS X and before 11.2.202.554 on Linux, Adobe AIR before 20.0.0.204, Adobe AIR SDK before 20.0.0.204, and Adobe AIR SDK & Compiler before 20.0.0.204 allows attackers to execute arbitrary code via crafted MPEG-4 data, a different vulnerability than CVE-2015-8048, CVE-2015-8049, CVE-2015-8050, CVE-2015-8055, CVE-2015-8056, CVE-2015-8057, CVE-2015-8058, CVE-2015-8059, CVE-2015-8061, CVE-2015-8062, CVE-2015-8063, CVE-2015-8064, CVE-2015-8065, CVE-2015-8066, CVE-2015-8067, CVE-2015-8068, CVE-2015-8069, CVE-2015-8070, CVE-2015-8071, CVE-2015-8401, CVE-2015-8402, CVE-2015-8403, CVE-2015-8404, CVE-2015-8405, CVE-2015-8406, CVE-2015-8410, CVE-2015-8411, CVE-2015-8412, CVE-2015-8413, CVE-2015-8414, CVE-2015-8420, CVE-2015-8421, CVE-2015-8422, CVE-2015-8423, CVE-2015-8424, CVE-2015-8425, CVE-2015-8426, CVE-2015-8427, CVE-2015-8428, CVE-2015-8429, CVE-2015-8430, CVE-2015-8431, CVE-2015-8432, CVE-2015-8433, CVE-2015-8434, CVE-2015-8435, CVE-2015-8436, CVE-2015-8437, CVE-2015-8441, CVE-2015-8442, CVE-2015-8447, CVE-2015-8448, CVE-2015-8449, CVE-2015-8450, CVE-2015-8452, CVE-2015-8454, CVE-2015-8653, CVE-2015-8655, and CVE-2015-8822.

cvss

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

9.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.1–9.3

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 10

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

v2.09.3criticalAV:N/AC:M/Au:N/C:C/I:C/A:Csecondary · FSTEC (BDU) RU

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)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416USprimaryCWE-416US

affected products (13)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Adobe Systems Inc. Adobe Integrated Runtime≤ 20.0.0.204fstec_bduRU
Adobe Systems Inc. Flash Player≤ 11.2.202.554fstec_bduRU
Adobe Systems Inc. Flash Player≤ 18.0.0.268fstec_bduRU
Adobe Systems Inc. Flash Player19 → 20.0.0.228fstec_bduRU
adobe air≤ 19.0.0.241nvdUScpe:2.3:a:adobe:air:*:*:*:*:*:*:*:*
adobe air desktop runtime≤ 19.0.0.241nvdUScpe:2.3:a:adobe:air_desktop_runtime:*:*:*:*:*:*:*:*
adobe air sdk≤ 19.0.0.241nvdUScpe:2.3:a:adobe:air_sdk:*:*:*:*:*:*:*:*
adobe air sdk & compiler≤ 19.0.0.241nvdUScpe:2.3:a:adobe:air_sdk_\&_compiler:*:*:*:*:*:*:*:*
adobe flash player≤ 19.0.0.245nvdUScpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
adobe flash player≤ 18.0.0.261nvdUScpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
adobe flash player≤ 11.2.202.548nvdUScpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
adobe flash player desktop runtime≤ 19.0.0.245nvdUScpe:2.3:a:adobe:flash_player_desktop_runtime:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2016-03-04modified 2026-06-17

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+12281 more

references (9)

External citations — patches, advisories, analysis.

scry

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