vciy

CVE-2015-8405

INDEX BUILT · 2026-09-20

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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…

CVE-2015-84053 of 4 sources documented this
34

rank 34 = 1 + 25 + 0 + 8 + 0

rank@v1 · scheduled

Someone is already using it

CISA KEV catalog · public proof-of-concept · FIRST EPSS

EPSS 0.05754  ·  without this subject the record ranks 33

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 10.0, from NVD  ·  without this subject the record ranks 9

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

no persisting rise in 365 days  ·  without this subject the record ranks 34

How much of the world it touches

NVD CPE configurations

9 products in the CPE ranges  ·  without this subject the record ranks 26

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 34

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$287,000over the next 30 days, if this record is yours
Movement-$259,000on 2025-07-16, the last material move, 1 year before this reading
Basisassumeda published average, not your estate

$287,000 = $4.99M incident cost x 1 exposure x 0.05754 likelihood

udv@v1 · unaudited · wrong for you until you say what you run

$4.99M is the cost of a breach that happened, from IBM Cost of a Data Breach Report 2026, global average. It is not the value of any asset of yours. That average already covers breaches of every severity, so scaling it by exposure understates a partial-impact record. That is an assumption, not a measurement. Your own asset value goes in the decision record.

Hindsight · the state

0.05754EPSSNOT IN KEVas of 2026-09-20
Severity10 CRITICALreceipt
Harmtotal loss · unauthenticatedreceipt
Exploitationnone in held sources
Defenseno fix version held
Movementdoubled within 72hreceipt
PLATEAU10Minimal movement since 2025-07-01, 390 days at 0.06, as of 2026-07-26. arc-rules@v1

Foresight · where to check next

No weakness class or product neighbourhood is held for this record, so this index cannot name anywhere to check next. That is an absence in the record, not a finding about the software.

Color is a claim, not decoration:the hostile worldthe defenseno signal

Check a version against this record

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AcceptDeferPatch by…Not affectedMitigated

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Harm, if it fires from the vector and the weakness

Written for the ticket you're about to file.

Reachnetwork-reachable · no authentication · low attack complexityreceipt
ImpactComplete confidentiality, integrity and availability lossreceipt
Scored fromCVSS v2.0 · NVD's vectorreceipt
Weakness classNo CWE mapping in held sources.

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

Fixed inNo fix version in held sources, as the index stood on 26 Jul 2026.
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.

Exploit Status & Known PoCs a ladder, not a score

Current rung: Nothing observed in held sources.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

CVSS, NVD10 CRITICALreceipt
Exploit probability0.05754 · top 7% of all CVEsreceipt
Blast breadth4 products across 1 vendorderived
Assigned byadobereceipt
Recorded changes48 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Named in the CPE rangesAdobe flash player; Adobe air sdk; Adobe air; and 1 morereceipt
Published rangesadobe air sdk <= 19.0.0.241; adobe air sdk \& compiler <= 19.0.0.241; adobe air <= 19.0.0.241; adobe flash player <= 11.2.202.548receipt
Show all 9 published ranges
adobe air sdk <= 19.0.0.241
adobe air sdk \& compiler <= 19.0.0.241
adobe air <= 19.0.0.241
adobe flash player <= 11.2.202.548
adobe flash player <= 18.0.0.261
adobe flash player 19.0.0.185
adobe flash player 19.0.0.207
adobe flash player 19.0.0.226
adobe flash player 19.0.0.245

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

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What it is stated by the CNA

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 unspecified vectors, 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 receipt

Read the rest of the CNA's description

-2015-8404, 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, and CVE-2015-8454.

NVD's analysis a second authority

severity
10 AV:N/AC:L/Au:N/C:C/I:C/A:C
affected versions
adobe air sdk <= 19.0.0.241; adobe air sdk \& compiler <= 19.0.0.241; adobe air <= 19.0.0.241; and 6 more, listed in full below

check it yourself lists.opensuse.org helpx.adobe.com securityfocus.com lists.opensuse.org lists.opensuse.org securitytracker.com +1 morereceipt

Dated events

2023-03-07EPSS moved 0.04 to 0.162024-04-14EPSS moved 0.26 to 0.082025-07-16EPSS moved 0.11 to 0.05

Movement the material steps

4 Feb 20220.03961
7 Mar 20230.15779 · crossed 0.10 · scoring model v2023.03.01
17 Apr 20230.32911
14 Apr 20240.07828 · crossed 0.10
17 Mar 20250.15414 · crossed 0.10 · scoring model v2025.03.14
29 Mar 20250.26781
1 Jul 20250.10677
16 Jul 20250.05494 · crossed 0.10
15 Jun 20260.05779 · scoring model v2026.06.15
26 Jul 20260.05754

This score more than doubled inside 72 hours. Both observations are in the full history below.

Show all 48 observations
4 Feb 20220.03961
7 Mar 20230.15779
11 Mar 20230.23922
17 Apr 20230.32911
23 Jun 20230.28469
4 Dec 20230.32911
11 Mar 20240.26145
14 Apr 20240.07828
16 Aug 20240.07362
17 Dec 20240.07750
17 Mar 20250.15414
19 Mar 20250.17224
29 Mar 20250.26781
30 Mar 20250.17224
15 Jun 20250.19242
19 Jun 20250.17224
1 Jul 20250.10677
16 Jul 20250.05494
1 Oct 20250.03117
14 Oct 20250.05494
16 Oct 20250.03117
17 Oct 20250.05494
19 Oct 20250.03117
20 Oct 20250.05494
21 Oct 20250.03117
22 Oct 20250.05494
24 Oct 20250.03117
27 Oct 20250.05494
28 Oct 20250.03117
29 Oct 20250.05494
31 Oct 20250.03117
1 Nov 20250.05494
3 Nov 20250.03117
7 Nov 20250.04173
13 Nov 20250.0267
13 Dec 20250.06285
16 Dec 20250.0267
22 Dec 20250.06285
23 Dec 20250.0267
25 Dec 20250.06285
1 Jan 20260.0267
31 Jan 20260.02382
18 Mar 20260.01767
13 May 20260.04232
16 May 20260.06396
15 Jun 20260.05779
20 Jul 20260.056
26 Jul 20260.05754

48 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.05754Published2015-12-10Index as of2026-07-26

Exploit probability more than doubled between 2025-12-23 and 2025-12-25 (0.0267 → 0.06285) and the record had been public for 10 years, 7 months when this index was last written.

Published 2015-12-10 receipt · Index as of 2026-07-26 derived

Siblings and hubs

Records related to this one

Announced with 27 others

This record was published as one of 28 that cite a single advisory. The batch page names that advisory, counts what the group offers, and says what it does not cover.

Listed for shared announcement, not shared vulnerability. Each record here is its own finding with its own page, and fixing one does not address another.

Browse the index from here

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What usually comes next

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